See what a day's worth of food looks like on a 1,500-calorie diet. Plus, get a sample meal plan to help you lose weight with ...

For example, an active young adult male might require 2,500 calories daily to lose weight, while an older adult woman may need just 1,500 calories to support her ... The number of calories burned in a ...

Editor's note: an earlier version of the video featured a soundbite from a West Point dietician that said that the cadets are provided with 1,200 to 1,500 calories per day from the mess hall.