“The bottom line for weight gain is increasing total calories from a mixture of nutrient-rich protein, fat, and carbohydrates,” says Cynthia Sass, a registered dietician and virtual private-practice ...

Keeping weight off during middle age is not easy. As the years pass, many people—especially men—find themselves gaining stubborn belly fat. Now, researchers have uncovered key reasons why this happens ...

Several factors can contribute to weight gain in both men and women, but women often have a greater challenge. This can be due to sociological or psychological reasons, as well as those that are ...

Why do men see more dramatic results from the keto diet? Explore the latest science on how hormones and metabolism shape weight loss success for men and women. Study: Sex differences in ketogenic diet ...

Testosterone fuels male sex drive and erectile function and influences everything from bone density and muscle mass to fat distribution, red blood cell production, mood and energy levels.