Everything you need to know about how creatine does—and doesn't—make you gain weight.

Previous, smaller studies had found that patients tended to gain weight while on the Janus kinase (JAK) inhibitor tofacitinib. This study, funded by tofacitinib's manufacturer, analyzed data from ...

Medically reviewed by Danielle Weiss, MD Thyroid problems—specifically decreased production of triiodothyronine (T3) and thyroxine (T4)—can lead to weight gain. T3 and T4 are the primary ...

If your main goal is to gain muscle mass, you'll need to pair that extra protein consumption with sufficient weight training, to force the muscles to adapt and grow.

It’s common for women in midlife to experience weight gain, despite working out and eating right. Here’s how clinicians can treat the lingering problem and alleviate patients’ frustrations.

Significant weight gain is a common side effect of many psychiatric medications. Fortunately, there are options for those who struggle with the added pounds.

Treating nicotine addiction with glucagon-like peptide 1 receptor agonists is associated with less weight gain compared with other smoking cessation treatments.

Real Housewives' Dolores Catania discusses her weight gain post-Mounjaro and her health journey after undergoing a cardiac ablation procedure ...

However, the combined effect of these two factors and whether weight gain has less effect on breast cancer risk if a woman has an early first pregnancy, has yet to be established.

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 ...

Former Playboy star Kendra Wilkinson revealed that she started taking a weight-loss drug but threw the medication away after one shot.