You may have a pretty good idea of how much you should be eating per day. Or you might not have a clue and simply tuck into whatever you fancy. But understanding how calories – a unit of energy – ...

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.

Medically reviewed by Karina Tolentino, RD Your dietary fat intake should be 20-35% of your total calories, or 45-78 grams on a 2,000-calorie diet. Saturated fats should be less than 10% of your total ...

Tracking leads to weight loss: Why you might want a food tracking app. Whether your goal is to lose weight or improve your health, cut back on added sugar, fat or sodium, tracking your calories and ...

Tracking calories can feel like a chore. Although food tracking apps have made the task much easier than the pen-and-paper alternative, manually inputting every bite, slurp and sip into a smartphone ...

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