Experts say it can affect peoples’ metabolism and leave them feeling fatigued and low energy. It can impact people’s muscle ...

People trying to lose weight often count calories, carbs, steps and reps and watch the scales. Soon, they may have another number to consider: a genetic score indicating how many calories a person ...

Many factors affect the speed at which a person loses weight, including weight loss method, age, genetics, and more. Aim for gradual weight loss of 1 to 2 pounds per week, or 5% to 10% body weight ...