by Marion Nestle

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Feb 9 2010

Confused about nutrition? Eat food!

I can’t resist dealing with the questions just asked by Elliot and Johannes.  From Elliot:

A meta-analysis of prospective epidemiologic studies showed that there is no significant evidence for concluding that dietary saturated fat is associated with an increased risk of coronary heart disease or cardiovascular disease (see: American Journal of Clinical Nutrition, January 13, 2010)…[but] in his book, Good Calories Bad Calories, Gary Taubes clearly attributes most of our chronic disease problems — including heart disease — to carbohydrates (see page 454).  In contrast, Colin Campbell in his book The China Study (pages 113-133) forcefully argues that animal proteins contribute to CVD.  Yet, Dr. David Katz in his book Nutrition in Clinical Practice (pages 130, 133) asserts that to prevent heart disease, “saturated and trans fat should be restricted to below 7% (or even 5%) of total calories . . . .”  Who’s right?  We badly need your unbiased wisdom on this topic.

Joannes says that according to the Weston A Price Foundation,

it seems as if (naturally-occurring) saturated fats are almost better for you than the unsaturated fats we get fed these days, which mainly consist of rancid oils which more than anything contribute to heart disease, whereas many saturated fats are actually quite beneficial.

OK.  Here’s my “unbiased wisdom” (if such a thing exists).  I like to ask: What do saturated fats, sugars, and animal proteins have in common as factors in the development of heart disease?   Answer: They are all single nutrients.

Recall that nutrition research is difficult to do because diets contain many foods, foods contain many nutrients and other chemicals that affect health, and other behavioral, socioeconomic, and genetic factors influence heart disease.  Studies of single nutrients take these chemicals out of their food, dietary, caloric, and lifestyle contexts and are, therefore, reductive.

Such studies tend to produce ambiguous results that demonstrate small differences, if any.  Small differences create situations ripe for interpretation.  Interpretation depends on the viewpoint of the interpreter.  That is why it helps to know who is doing the interpreting and who sponsored the studies.

Short of that, you would have to read every study cited by these authors and come to your own decision about how to interpret them – a daunting task.

My approach to conflicting research?  I look for points of agreement. The authors cited here do not disagree about the basic principles of healthful diets: variety in food intake, moderation in calories, largely plant-based (although not necessarily exclusively), and minimally processed.  Eat according to those principles and you do not have to worry about nutritional details.

All of that boils down to the advice I propose in What to Eat: eat less, move more, eat plenty of fruits and vegetables, and don’t eat too much junk food.

Let the scientists and their interpreters fight it out over single nutrients.  Eat food and enjoy your dinner.

Jan 25 2010

A quick Q and A: sugars and fats

I wish I could answer all of the questions that come into Feedback or Comments, but I cannot except occasionally.  It’s a rainy day in New York and today seems to be one of those occasions.

Q: Does the caloric value of a food change when it’s cooked?  In his latest book, “Catching Fire: How Cooking Made us Human,” Harvard Primatologist Richard Wrangham argues that cooking foods changes the available nutrient content and actually raises the available calories.

A:  The rules of physical chemistry tell us that matter cannot be destroyed or created so the number of calories available in a food does not change with temperature.  What can change is our ability to use (digest, absorb) the calories that are there as well as our desire to eat the foods.  Cooking makes the calories in potato starch more available, for example, but has hardly any effect on the calories in meat.  Both, in my opinion at least, taste better cooked.    But cooked or not, the calorie differences will be small and unlikely to account significantly for weight change.

The nutrient situation is also complicated.  Cooking destroys some nutrients (vitamin C is a good example) but makes others more available (beta-carotene).  This is another reason why nutritionists are always advising variety in food intake.  Variety applies to cooked and raw, as well.

Q.  Can you please explain what benefits, if any, there are in using a “natural” sweetener, e.g. agave, over regular sugar?  Are there any differences in terms of glucose/fructose makeup?

A.  Agave is more expensive so you probably won’t use as much of it.  Beyond that, it is higher in fructose than table sugar or honey.  This is because agave contains inulin, a polymer of fructose, which must be hydrolyzed (broken down by heat or enzymes) to fructose to make the sweetener.  It’s a processed sweetener requiring one hydrolysis step, requiring more processing than honey and less than high fructose corn syrup.  It has the same number of calories as any other sugar, about 4 per gram or 16 per teaspoon.

Q.  Also, you’ve written on a prior blog that fructose is “preferentially” metabolized into fat by the body.  Can you explain in more detail what that means?

A.  More and more evidence suggests that high amounts of fructose in the diet are not good for health.  Fructose occurs naturally in fruit and nobody worries about that because fruits don’t contain all that much and the sugar is accompanies by vitamins, minerals, and fiber that are well worth eating.  Honey, table sugar, and high fructose corn syrup (a misnomer) are about 50% each glucose and fructose.  Glucose and fructose are metabolized differently and some investigators believe that excessive amounts of fructose stress metabolism in ways that encourage fat deposition.  Eating a lot of sugars of any kind is not a great idea, which is why there are so many concerns about soft drinks these days.

Q.  I would appreciate some comments about the “Meta-analysis of prospective cohort studies evaluating the association of saturated fat with cardiovascular disease.

A.  The study concludes:  

A meta-analysis of prospective epidemiologic studies showed that there is no significant evidence for concluding that dietary saturated fat is associated with an increased risk of CHD [coronary heart disease] or CVD [cardiovascular disease]. More data are needed to elucidate whether CVD risks are likely to be influenced by the specific nutrients used to replace saturated fat.

This is a review of previous epidemiological studies (not clinical trials).  These fail to find a correlation between consumption of saturated fat and heart disease.  This could be because there is no correlation or there is one but they can’t find it.  My interpretation: even if there is one, it is likely to be small.

I am increasingly convinced that studies of single nutrients – sugar, fructose, saturated fat, or even omega-3s – will give complicated results when removed from their dietary context.  People who eat foods containing a lot of sugars or animal fats eat and behave differently than people who do not, but not so differently that health differences will show up in the kinds of studies scientists are currently able to do.

Keep in mind: nutrition science is exceedingly difficult to do because there are so many factors in foods that affect health and so many behavioral, economic, and social factors that affect what people eat.

All of this is why I find nutrition so interesting but I can understand why others might find it frustrating.

Dec 27 2009

FDA warns Nestlé: Juicy Juice misbranded!

I’ve been fretting about the immunity and brain claims on Nestlé’s Juicy Juice for quite some time now, but completely missed the FDA’s December 4 warning letter about them.  Thanks to Hemi Weingarten at Fooducate for keeping track of such things.

JuicyJuice

If you give these products a moment’s thought, you can quickly figure out that feeding DHA- or antioxidant-fortified juice drinks to kids is unlikely to have much effect on how smart they are or whether they can resist colds or swine flu.  But never underestimate the power of food marketers.   Adding a little DHA or a few antioxidants to juices sells products.  Health claims, as I keep pointing out, are about marketing, not health.

In warning the company to cease and desist, however, The FDA did not take on the health issues.  Instead, it invoked labeling regulations:

The Food and Drug Administration (FDA) has reviewed the labeling for several Nestlé Juicy Juice products…Based on our review, we have concluded that these products are misbranded…. because [their] labeling includes unauthorized nutrient content claims. Except for statements that describe the percentage of a vitamin or mineral in relation to a Reference Daily Intake (RDI), a nutrient content claim cannot be made for a food intended for use by infants and children less than 2 years of age….On October 30, 2009. we also reviewed your website….The labeling found on your website makes an additional unauthorized nutrient content claim, which further misbrands the product. The website claims that Juicy Juice Brain Development Fruit Juice Beverage is “naturally lower in sugar”…[but] no nutrient content claims can be made for a food intended specifically for use by infants and children less than 2 years of age unless specifically permitted by FDA regulations.

Additionally, we have reviewed the labeling of your Nestle Juicy Juice All Natural 100% Juice Orange Tangerine and Nestle Juicy Juice All Natural 100% Juice Grape products. These products are misbranded…because their labels are misleading. The label of the Orange Tangerine product is designed to imply that the product is 100% orange/tangerine juice, and the label of the Grape product is designed to imply that product is 100% grape juice…neither orange/tangerine juice nor grape juice is the predominant juice in the products….

Nestlé (alas, no relation) is the largest food company in the world with $102 billion in sales last year.  It should know better.

Just for the record, the misbranded products are still displayed on the Juicy Juice website.

The FDA also warned Nestlé that its Boost Kids Essentials products are misbranded. Why?  Because their labeling does not follow the rules for medical foods, those aimed at alleviating specific conditions – in this case “failure to thrive.”   Oops.  The Boost Kids Essentials website is now under revision.

Dec 7 2009

Saving the earth: Coca-Cola?

I greatly admire the work of Jared Diamond.  His book, Guns, Germs, and Steel: The Fate of Human Societies, is as clear an explanation as you will ever get of how the inequitable distribution of favorable geography, climate, and natural resources affects the development and maintenance of human societies.

But here he is, incredibly, in the Sunday New York Times writing a fan letter to corporate social responsibility for protecting those favorable environments.  He writes:

There is a widespread view, particularly among environmentalists and liberals, that big businesses are environmentally destructive, greedy, evil and driven by short-term profits. I know — because I used to share that view.  But today I have more nuanced feelings…I’ve discovered that while some businesses are indeed as destructive as many suspect, others are among the world’s strongest positive forces for environmental sustainability.

And which corporations does he include as “strongest positive forces?”  Chevron, Walmart, and Coca-Cola.   I’ll leave discussion of Chevron and Walmart to others, but Coca-Cola?

Coca-Cola, Diamond says, is protecting the world’s water supplies.  The company needs clean water in the 200 countries in which it operates.  This, says Diamond:

compels it to be deeply concerned with problems of water scarcity, energy, climate change and agriculture. One company goal is to make its plants water-neutral, returning to the environment water in quantities equal to the amount used in beverages and their production. Another goal is to work on the conservation of seven of the world’s river basins, including the Rio Grande, Yangtze, Mekong and Danube — all of them sites of major environmental concerns besides supplying water for Coca-Cola. These long-term goals are in addition to Coca-Cola’s short-term cost-saving environmental practices, like recycling plastic bottles, replacing petroleum-based plastic in bottles with organic material, reducing energy consumption and increasing sales volume while decreasing water use.

Please note the future tense.  These are things Coke says it plans to do.  As for what the company is doing now, Diamond does not say.  His piece does not mention Coke’s negotiating with officials in developing countries to buy water at rates significantly below those charged to local communities, a topic under much discussion when I was in India last year.  It does not mention campaigns in India to hold Coke accountable for its abuse of local water rights or any of the similar campaigns in other countries.

Diamond’s piece does not talk about the efforts Coke puts into selling bottled water at the expense of local water supplies.  As described by Elizabeth Royte in her book, Bottlemania, companies like Coke exhibit every one of of the characteristics formerly deplored by Diamond in attempting to secure plentiful and reliable sources of cheap local water: in his words, “environmentally destructive, greedy, evil and driven by short-term profits.”

Diamond says he sits along side and has gotten to know and appreciate the motives of many corporate executives.  Me too.  Personally, many of them mean well and wish that they could do more to be socially responsible.  But they work for businesses that are required, by law, to make short-term profit their reason for existence.  This means that corporate social responsibility is necessarily limited to actions that bring visible – and immediate – returns on investment.

We need some critical thinking here.  If Diamond gave any thought at all to what Coca-Cola produces – bottled water and sodas – he would surely have to agree that less of both would be good for our own health and that of the planet.

Nov 25 2009

The latest on too much salt

The British Medical Journal has a new meta-analysis of 13 studies of the health effects of high salt intake.  Its conclusion:

High salt intake is associated with significantly increased risk of stroke and total cardiovascular disease. Because of imprecision in measurement of salt intake, these effect sizes are likely to be underestimated. These results support the role of a substantial population reduction in salt intake for the prevention of cardiovascular disease.

In commentary, the authors insist that regulation is needed.  The effects of salt are large:

a 5 g reduction in salt intake at the population is associated with a 23 per cent difference in stroke rates, and a 17 per cent difference in total cardiovascular disease….eating less salt could avert 1.25 million deaths from stroke and almost 3m deaths from cardiovascular disease – and these projections are…conservative because of imprecision in assessing salt intake.

Why regulation?  Because nearly 80% of salt enters the diet through processed and pre-prepared foods.  The rest is about equally divided between naturally occurring salt in foods and salt added at the table.   To reduce salt, food manufacturers and restaurants need to cut down, and all of them have to do it.

This is because the taste for salt depends on how much is eaten.  On a low salt diet, even lightly salted foods taste salty.  But if you are used to eating a lot of salt, it takes even more to taste salty.  So the object needs to be to reduce salt in the diet across the board.

I’m hearing a lot these days about how federal agencies are getting interested in the salt issue.  Stay tuned on this one.

And have a safe, healthy, delicious, and lightly salted thanksgiving!

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Sep 21 2009

How will the sugar policy crisis shake out?

My Sunday (September 20) column in the San Francisco Chronicle deals with the sugar “crisis” I discussed here a few weeks ago:

Q: I saw you on “The Colbert Report” (Aug. 19) talking about sugar policy. Explain, please. I don’t understand why sugar policy is a topic for Comedy Central.

A: Neither did I until I saw Stephen Colbert douse himself with 5 pounds of sugar over the impending “crisis.” We have a sugar crisis? According to processed food manufacturers, we are about to run out of sugar. Horrors!

Earlier in August, Kraft and other food processors asked the U.S. Department of Agriculture to raise the quota on sugar imports. Sugar availability, they complained, is the lowest in years and it’s the USDA’s fault.

The USDA firmly controls amounts of sugar (sucrose) produced by American cane and beet growers through quotas. It even more firmly controls sugar imported from other sugar-growing countries through quotas and tariffs. And as corn is increasingly diverted to biofuels, less high-fructose corn syrup (HFCS) is around to make up the shortfall.

Should we worry?

The shortage is no crisis. At worst, it is temporary and will end as soon as the 2009 harvest is in. But processed food makers are right about one thing: Sugar is the most absurdly protected agricultural commodity in America.

For decades, no matter what it cost on the world market, quotas and tariffs ensured that Americans paid two or three times as much for sugar. High sugar prices cost American consumers about $3 billion a year. But because this works out “only” to about $10 per year per capita, nobody much cared.

If you think of $10 as trivial, you won’t give sugar protectionism another thought. But if you look at this system as an unnecessary transfer of $3 billion a year from 350 million Americans to a few thousand sugar growers and processors, you can understand why sugar policy is ripe for satire.

Here’s how the system works:

Quotas allow U.S. producers to grow only specified amounts of sugar cane and sugar beets each year, for which the USDA guarantees a higher-than-market price. Beets get 55 percent of the quota; cane gets 45 percent. The quotas are fixed. If you want to grow sugar beets in your backyard and sell the sugar to USDA at the favorable support price, too bad for you. You only get a quota if you already have a quota.

As for tariffs, the 2008 Farm Bill requires 85 percent of total sugar in the United States to be produced domestically, and allows only 15 percent to be imported. That 15 percent is distributed through quotas awarded to about 20 countries.

Above and beyond the quotas, imported sugar is subject to high tariffs. Mexico is an exception. Under NAFTA, Mexico gets to sell us as much sugar as it wants at the favored price. However, few countries in Africa hold quotas. What if you are an African cane-growing country and want the high quota price for your sugar? Not a chance.

Imports are never supposed to top 15 percent, so the USDA can’t increase the percentage. But we participate in the World Trade Organization, which obligates us to take world market sugar. Oops. These policies don’t match. Processed food makers must think the contradictions will allow the USDA to let in more sugar. Maybe, but the legalities are not yet decided.

Mind you, sugar producers and processors love this system. They argue that it keeps jobs in rural America and eliminates dependence on foreign sugar imports. To make sure nobody scrutinizes the system too carefully, they formed cooperatives to avoid antitrust laws.

Sugar producers are among the most generous and equal-opportunity contributors to congressional election campaigns, giving to both Democrats and Republicans. For decades, administrations of both parties have tried to end sugar supports. No such luck.

A shift’s brewing

Policies may change, because the gap between the prices for domestic and world market sugar – and for high fructose corn syrup – has narrowed recently. Sugar is now at war with HFCS. As HFCS is increasingly known as a key junk food ingredient, manufacturers are rushing to replace it with sucrose, which they can tout as “natural and unprocessed.”

Other sugar issues are also ripe for comedy. Most sugar beets are now genetically modified, leading many companies to avoid using beet sugar. In the South, sugar cane production pollutes the Everglades, which is costing billions of dollars to clean up. Investigative reporters are riveted by the feudalistic labor practices of sugar plantations.

And then there’s Cuba. Until the Castro revolution, that’s where we got most of our imported sugar. When relations improve, will Cuba get a sugar quota?

If sugar is responsible for any true crisis, it is because of its role as an ingredient in processed foods. Cheap sugar reduces the cost of candy and soft drinks. Cheap junk foods are highly profitable. Otherwise, our sugar policies make no sense in today’s global marketplace.

But we would be healthier eating less sugar, anyway. So here’s my solution to the non-crisis: Eat less sugar!

Sep 20 2009

Feed Your Pet Right

This book has its own Facebook Page (Feed Your Pet Right) on which Mal Nesheim and I deal with current issues about pet food, answer questions, and respond to comments.

Photo by Samantha Heller

Order from your local independent bookstore or Free Press/Simon and Schuster or Amazon or Borders or Barnes & Noble or IndieBound.

Omnivore Books, 5-22-10 (by Christie Keith)

Media Interviews and book reviews [scroll all the way down to read review examples]

September/October 2010 Review in The Bark magazine

September 2010 Pet Food Industry review by Packaged Facts

August 18, 2010 Jill Richardson reviews the book on AlterNet

August 18, 2010 Jill Richardson blogs about the book

July 28, 2010 Interview with Amy Lieberman on Zootoo.com

July 17, 2010 Radio interview with Evan Kleinman on Good Food

June 28, 2010 Podcast interview with Tracie Hotchner’s “Authors on Animals”June 25, 2010 DailyAdvance.com review by Vicky Hagmeister.

June 23, 2010 San Francisco Chronicle Q and A with Meridith May.  Great photos!

June 10, 2010 Corby Kummer comments on the book on the Atlantic Food Channel.

June 8, 2010 Christie Keith’s review for the San Francisco Chronicle online

June 5, 2010 The San Francisco Chronicle online Tails of the City reviews the book

June 1, 2010 Jane Brody writes about the book in her Personal Health column

May 22, 2010 Live blogging from Omnivore Books on PetConnection by Christie Keith

May 20, 2010 Interview with Joyce Slayton on Chow.com

May 14, 2010 Good Morning America with JuJu Chang

May 13, 2010 Interview with Kerry Trueman, Eating Liberally, Mudroom

May 13, 2010 Brian Lehrer NPR radio

May 13, 2010 St Louis Post-Dispatch review

May 12, 2010: Diane Rehm Show , NPR radio

May 11, 2010: Time.com Q and A (print)

From the San Francisco Chronicle, June 23, 2010

Summary

Feed Your Pet Right is an entertaining and informative examination of the booming pet food industry—its history, constituent companies, products, and marketing practices—written by two experts who took an objective look at the science behind pet food industry practices and claims. The book should be of interest to anyone who cares about how businesses function in today’s market economy but it especially aims to give pet owners the facts they need to decide for themselves how best to feed their cats or dogs.

The result of extensive research by experts in animal and human nutrition, the book covers the range of pet food products available, analyzes the ingredients in those products, reveals how and why pet food labels look the way they do, and explains how to read and decode the information and health claims on those labels. With this information, pet owners can better evaluate the quality and safety of what they are buying for their cats and dogs.

The authors make no attempt to dictate how pet owners should feed their cats and dogs. Instead, Feed Your Pet Right provides a roadmap to providing healthful diets for cats and dogs in ways that fit the great range of pet owners’ personal beliefs, value systems, and lifestyle choices.

The book also explains how pet foods are and are not regulated, how pet food companies influence government oversight and veterinary training and research, and how ethical considerations affect pet food research and product development. The book concludes with specific recommendations not only for pet owners, but also for the pet food industry, government regulators, and veterinarians.

Co-author: Dr. Malden Nesheim:

Malden Nesheim was born in Rochelle, Illinois. He earned a BS degree in Agricultural Science (1953) and an MS degree in Animal Nutrition (1954) from the University of Illinois and the Ph.D. degree in Nutrition (1959) from Cornell University.

Nesheim joined the Cornell faculty in 1959. In 1974 he was named Professor of Nutrition and Director of the newly formed Division of Nutritional Sciences at Cornell, a post which he held until the summer of 1987 when he was appointed Vice President for Planning and Budgeting. In 1989 he was appointed Provost of Cornell University. In that position, he was the chief academic officer of Cornell University responsible for oversight of all programs on the Ithaca campus. In 1995, he was named Provost Emeritus and became professor of Nutrition Emeritus in 1997.

Nesheim received the American Institute of Nutrition’s Conrad A. Elvehjem Award for public service, was elected Fellow of the American Academy of Arts and Sciences and Fellow of the American Society of Nutritional Sciences. He has served as President of the American Institute of Nutrition and on several review panels for the National Institutes of Health and the Department of Agriculture. He chaired the NIH Nutrition Study Section from 1983-1986, and was a member of the Food and Nutrition Board of the Institute of Medicine for nine years. He chaired the 1990 joint USDA/HHS Dietary Guidelines Advisory Committee. In 1995 he was appointed Chair of a Presidential Commission on Dietary Supplement Labels. He finished his term as Chairman of the Board of Trustees of the Pan American Health and Education Foundation in 2008.

How we came to write this book:

The idea for this book originated as an extension of Marion Nestle’s book, What to Eat, which addressed common questions about human food choices using supermarkets as an organizing principle. The book did not cover the pet food aisle, which in most supermarkets is extensive and loaded with products whose labels differ greatly from those on foods for humans and are indecipherable to most people. We were curious to know what those products were and what their labels meant. What to Eat is a guide to how to think about human food choices. Feed Your Pet Right is a guide to how to think about food choices for cats and dogs.

Early comments

From Dr. David Fraser, former dean of the Veterinary College at the University of Sydney:

I have at last finished reading the manuscript of your book…Your book is mind blowingly excellent!! It is brilliant in every way. It is comprehensive in scope. It is so clearly impartial – free of any hidden influence on the writers. The style of writing is extremely attractive and should make this book accessible to any reader regardless of their knowledge level…The book of course is written for the USA. Nevertheless, I shall be recommending that my veterinary students read it…I am amazed at the range of issues that you covered. Together they give the most complete understanding of commercial pet foods that could possibly be created…your recommendations and criticisms are all highly relevant to the Australian situation.

Reviews in print

Library Journal, April 1, 2010:

Nestle, Marion & Malden C. Nesheim. Feed Your Pet Right: The Authoritative Guide to Feeding Your Dog and Cat. Free Pr: S. & S. May 2010. c.320p. illus. index. ISBN 978-1-4391-6642-0. pap. $18. PETS

Dog and cat owners encounter a dizzying array of choices and confusing labels when shopping for pet foods in supermarkets. They will welcome the information Nestle (nutrition, New York Univ.; Pet Food Politics) and Nesheim (nutrition, emeritus, Cornell Univ.) obtained from their research and firsthand experience. Readers learn what pets are supposed to eat (dogs are omnivores; cats are carnivores) and the scientific standards and government regulations that led to the development of commercial pet food. Owners are guided through the many food choices, including dry, canned, wet, and semimoist foods; products called “premium,” “all natural,” “prescription diet,” and “hairball control”; and more unconventional diets, like raw, vegetarian, and home cooked. After discussing various foods and nutrients, they conclude with specific and sensible recommendations for pet owners, the industry, and the government. VERDICT Filled with useful information, this well-written guide is the pet nutrition counterpart to Nestle’s human nutrition guide, What To Eat. Recommended for all pet owners.—Eva Lautemann, Georgia Perimeter Coll. Lib., Clarkston

Tulsa World, May 9, 2010

Surprising bits about kibble, by Kim Brown, World Scene Writer

We’re a culture obsessed with food, so why not be that way about pet food?

The answer is what authors Marion Nestle and Malden Nesheim search for in their new book, “Feed Your Pet Right: The Authoritative Guide to Feeding Your Dog and Cat,” (Simon & Schuster, $16.99).

From breaking down pet food labels to detailing the many nutrition plans for your dog or cat, the authors dig deep into the $40 billion a year pet industry and learn that there are no definitive answers.

But they first take us through history to learn what our domestic animals used to eat, and how it compares with the foods we feed them today.

Not only do they tackle the commercial pet food industry, but the authors also look inside the natural and organic product claims on some specialty, or more expensive, pet food products.

Some of Nestle and Nesheim’s research surprised them, particularly that they found was no single diet to be superior.

“The books that are out there tend to cite every bit of research or experience they can muster to argue that you must feed your pet only one kind of diet — only commercial pet food, only one or another alternative pet food, only meat, only grains and vegetables, only raw foods, or only home-cooked foods. Humans don’t eat only one way. Pets don’t need to either. Any or all of those methods, singly or together, can promote excellent health in a dog or cat,” they write.

In fact, they find that commercial pet food is “adequate and appropriate” for many pets.

“We found no evidence that these foods routinely cause nutrient deficiencies or other health problems or shorten pets’ lives ” they write.

However, they also lament that there is no “real research” to tell if pets are living longer lives now than before.

Cape Cod Times, May 9, 2010, Bookshelf, by Melanie Lauwers

One of the hottest topics going is how we feed ourselves in the modern world — where our food comes from, how it’s processed and whether we get the best possible nutrition from our diet. But what about our pets? We spend millions of dollars each year on wet and dry food, treats and supplements, and truthfully, how much do we know about those products? And how do we know they’re right for our pets?

Expert nutritionist Marion Nestle of New York University and Cornell University professor emeritus Malden Nesheim explain what pets used to eat, what they eat now and what they actually need in their diet to stay healthy and happy. Included are analyses of pet food products and recommendations for owners, the pet food industry and regulators. There’s more than plain old kibble in this pet food encyclopedia.




SF Medical Society Journal
Aug 25 2009

American Heart Association: Eat (a lot!) less sugar.

At last, the American Heart Association (AHA) has done something useful.  It advises eating less sugar.  Americans eat way too much, it says, a whopping 22 teaspoons a day on average.  Let’s work this out.  A teaspoon is 4 grams.  A gram is 4 calories.  So the 275 calories in that default 20-ounce soda you picked up from a vending machine come from nearly 17 teaspoons of sugar – close to the average right there.  If you have trouble maintaining weight, soft drinks are an obvious candidate for “eat less” advice.  Neither the Wall Street Journal (in which I am quoted) nor the New York Times say much about how soft drink manufacturers are reacting to this recommendation, but it isn’t hard to guess.

Here, for example, is what the industry-sponsored American Council on Science and Health (ACSH) has to say:

The study targets added sugars as the main culprit of dietary excess, but since “U.S. labels on packaged foods do not distinguish between naturally occurring or added sugars,” it is difficult to tell the difference. However, “our bodies can’t tell the difference either,” says ACSH’s Jeff Stier. “Natural and added sugars are nutritionally the same. Added sugar causes obesity as much as the orange juice promoted by the American Heart Association causes obesity [e-mail newsletter, August 25, 2009].

Smart Start

This is the first time the AHA has seriously weighed in on sugar.  I find this especially interesting because the AHA has a long history of endorsing sugary cereals (as I discuss in Food Politics and also in What to Eat).  In this example, the AHA’s endorsement is in the lower left corner.  This product has sugars of one kind or another listed 9 times in the ingredient list.

The AHA gets paid for such endorsements.  Let’s hope the new recommendation encourages the AHA to stop doing this.

Update August 27: I really don’t know what to say about the ACSH’s Jeff Stier.  he is acting more like the Center for Consumer Freedom’s Rick Berman every day.   Today’s e-mail newsletter from ACSH contains this statement:

In her blog in The Atlantic, NYU Professor of Nutrition Dr. Marion Nestle has fallen into the habit of suggesting that ACSH is incapable of objective analysis of public health concerns because we are, in her distorted view, “thoroughly industry-sponsored.”

ACSH’s Jeff Stier wrote to her editors: “Like many of the country’s top non-profits, Dr. Nestle’s NYU included, we accept corporate donations, with no strings attached. But we also receive significant support from individuals and foundations. Her misleading description of us suggests that we represent industry. We do not. We are advised by some of the nation’s leading scientists and represent consumers.

“By way of this email, I ask for a conspicuous and fair correction. We are happy to engage on the issues Dr. Nestle writes about, but her attacks on us are below someone of her stature. We’d prefer an informed and enlightening discussion of the issues, not underhanded and unfounded attacks on credibility.”

“Apparently, Dr. Nestle believes that your opinions are irrelevant, since they diverge from her ideological agenda,” says Stier. “We represent you, consumers, who want science rather than ideology informing public health decisionmaking. Does she really think that consumers are so monolithic that they either agree with her or are put up to it by some sinister entity?”

Readers: Does anyone know what is going on with this group?  It sounds so much like the Center for Consumer Freedom that I can’t help but wonder.