Medically reviewed by Kayla Girgen, RD The average adult woman needs about 1,600-2,400 calories a day.A calorie deficit, in ...

Corrections & clarifications: An earlier version of this story misspelled the name of the spokesperson for the Academy of Nutrition and Dietetics. She is Caroline Susie. Few things are as essential as ...

How many calories you eat a day depends on your physical activity level, age, and sex. If you want to lose weight you need to eat fewer calories than your body burns. If you want to gain weight, you ...

Add Yahoo as a preferred source to see more of our stories on Google. Want to lose weight? Understanding how calories actually work is key - Julia Lena Morell You may have a pretty good idea of how ...

A 2,000-calorie diet meets the needs of most adults. But your needs may vary depending on age, gender, weight, height, activity level, and weight goals. Share on Pinterest 2,000-calorie diets are ...

Want to make sure you're eating enough to fuel your exercise regime? Use our calculator to find out how many calories you need. Everyone has a different rate of metabolism, but it's generally ...