A conversation with Charles Platkin at 12:30 p.m. on The Wisdom of 90 Years: Dr. Marion Nestle on Food and Living Your Best Life. Registration is here.

If you want to see the latest research on environmental influences on childhood obesity, take a look at the current issue of the American Journal of Preventive Medicine. It has a bunch of articles from top investigators about social factors that promote overeating and sedentary behavior in kids, along with some fascinating information about the role of advertising and foods in schools in promoting junk food. Beginners: start here.