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

Hormones like insulin, cortisol, thyroid hormones, and testosterone play a direct role in metabolism, appetite, and fat storage. Hormone imbalances can make weight loss harder and contribute to weight ...