This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones like insulin, cortisol, thyroid hormones, and testosterone play a direct role in metabolism, appetite, and … ...

Unexplained weight gain and fatigue could be symptoms of conditions like hypothyroidism and depression. Seeing a healthcare provider is important if you experience unexpected weight gain with fatigue, ...

Weight fluctuation happens daily, week to week, or month to month. Learn about causes and when to see a healthcare provider about weight changes.

Sleep apnea is a condition that causes breathing to stop and start repeatedly while sleeping. It may occur up to 400 times per night, with each pause lasting 10 seconds or longer. There are two main ...

Insulin, sulfonylureas, and TZDs are diabetes medications that may cause weight gain. But some, like metformin, may have weight loss potential. Others may be neutral to any weight changes. Weight ...

Not exercising enough can cause weight gain, lower energy levels, and increased risk of disease. Learn more about the ...

"Cortisol belly" is a popular term used to describe weight gain mostly around your belly area, or abdomen. Sometimes it's called "hormonal belly." It’s not a medical term or diagnosis, but it could be ...

Because constipation can cause stool to build up inside a person’s bowels, it may cause a temporary increase in weight. Constipation occurs when a person’s bowel movements are infrequent or difficult ...

Bulimia may lead to weight gain rather than loss due to binge eating, as purging doesn’t significantly reduce caloric intake. Weight changes are also possible during recovery. Bulimia nervosa is an ...

A comprehensive analysis of electronic health records from over 183,000 adults has provided crucial insights into the relationship between antidepressant use and weight gain. The study tracked ...

If you’ve recently started on birth control or menopausal hormone therapy and feel like you’ve gained a little weight, you’re certainly not alone. We often associate both of these regimens with weight ...