Male hormones regulate bodily functioning. These chemical messengers influence energy, mood, muscle, fat, health, and overall ...

Adrenal glands produce hormones that affect heart rate, blood pressure, and stress response. High cortisol levels can cause weight gain, fatigue, and high blood pressure. Addison's disease and Cushing ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes more quickly, sleep is less restful, and waistlines often expand. This is ...