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

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 … ...

Weight changes are not always about diet or exercise. Experts explain how an underactive or overactive thyroid can affect ...

Is white rice really the reason behind weight gain? A registered dietitian explains how calories, portion size and fibre, not ...

Gaining weight is shocking. But understanding why and how you gain weight can be empowering on your fitness journey. Discover a few surprising things that cause weight gain. And learn tips for ...

If you have hypothyroidism, it’s normal to worry about potential side effects like fatigue, constipation or depression. But if you’ve noticed the numbers on the scale slowly creeping up, you might ...

Potential side effects caused by the popular exercise supplement creatine include weight gain, nausea, diarrhea, muscle ...

Whether you deal with constant bloating or you tend to feel heavier during your period, seeing seemingly unexplainable weight gain on the scale can be frustrating. However, weight fluctuation is a ...

"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 ...

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 ...

People tend to put on about a pound on average from November to January. Avoid winter weight gain by eating nutritious foods, ...

There are physiological processes that begin long before menopause itself, but weight gain isn’t necessarily inevitable ...