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

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.

We analyzed Starbucks and Dunkin’ menus to see which chain packs more sugar. Check the highest-sugar orders and smarter swaps ...

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 ...

This 30-day plan is set at 1,500 calories, with modifications for 1,800 and 2,000 calories. Each day provides at least 87 ...