How many calories you should eat a day depends on your age, sex, physical activity, and whether you are trying to maintain, gain, or lose weight.

This 30-day plan is set at 1,800 calories, with modifications for 1,500 and 2,000 calories. Each day provides at least 78 grams of protein and 32 grams of fiber—two nutrients that promote better blood ...

A registered dietitian breaks down diet vs. regular soda—the pros, cons, and gut-health questions—and explains when each can ...

In this special episode of "Breakthrough Women in Science and Medicine," we meet Dr. Fatima Cody Stanford, an obesity ...

People need varying amounts of carbs per day based on their activity level, body composition, and more. Learn how many carbs are right for you to support weight loss.

A longevity diet researcher gently restricts his calories on occasion in the hope of living longer. He shares how he does so ...