Calories are the energy in food and beverages, allowing you to move, breathe, and survive. The number of calories a person needs per day varies depending on several factors, such as age, height, ...

A groundbreaking study reveals that a small, sustainable calorie reduction — not extreme dieting — may actually slow ...

New federal data reveal that U.S. adults are eating less fast food than a decade ago, as shifting habits among younger adults drive down its share of daily calories. Report: Fast Food Intake Among ...

A controlled feeding study out of South Dakota State University shows that older adults who ate fewer ultra-processed foods naturally consumed fewer calories, lost weight and abdominal fat, and showed ...

New research suggests that fasting for three days a week may lead to greater weight loss than slightly reducing calories ...

Many foods and drinks add hidden calories to your diet. Soda, candy, and fast food increase the risk of weight gain and ...