"Still, the bottom line is that we Americans are taking in more calories than we did in past decades. The average American downed 2,481 calories a day in 2010 — 23 pecent more than in 1970."

How America's current food environment makes it easy to become obese

"Still, the bottom line is that we Americans are taking in more calories than we did in past decades. The average American downed 2,481 calories a day in 2010 — 23 pecent more than in 1970."