"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Your hormones do a lot for your body, from helping regulate your sex drive to impacting how stressed out ...

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 ...

Restrictive January diets can raise stress hormones and worsen fatigue, weight gain, and sleep issues in perimenopause.