If you're over 70 and only consuming 1,500 calories, which is quite common in this group, you can't come close.

And, perhaps most important, they consumed far fewer total calories than we do.

People consumed fewer calories without even trying to do so.

I was capable of consuming 3,000 calories at a sitting.

This country supplies enough food for people to consume 3,700 calories every day.

For a time, he consumed only 900 calories a day, and ultimately got down to 152 pounds.

I probably consumed 10,000 calories a day or more in fast foods.

The bottom line is you'll gain weight if you consume more calories than your body needs.

Stay active to help keep your weight under control and be careful not to consume more calories than you need per day.

Then the volunteers lost weight, by consuming 800 calories a day.