"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Potassium does more in the body than you know. This important electrolyte helps maintain overall fluid ...

Reaching for a banana could do more than power your morning smoothie. A new international study suggests that eating more potassium-rich foods could help lower the risk of dangerous heart problems.

Cortisol is a chemical that your body produces to adapt to stressful situations. During periods of acute stress, like public speaking, your cortisol levels increase to help your body perform. During ...