Rebecca Reyes told Newsweek: "I kept pushing and I started feeling absolutely amazing and then eventually the weight started ...

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 ...

A personal trainer shared what a 1,500-calorie meal plan looks like - and you can even have a glass of wine or two with it, ...

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.