The new pyramid is the picture of the Make America Healthy Again movement, prioritizing whole foods, proteins and fats.
The USDA first published guidance in 1980, then a food pyramid in 1992 and a 2011 "MyPlate" version. Here's how they stack up ...
Nutrition and public policy expert Marion Nestle answers readers' questions in this monthly column written exclusively for The Chronicle. E-mail your questions to [email protected], with "Marion ...