You may not have thought a whole lot about your hormones since you were a spotty teenager, but they're still going, and still dictating your simple basic needs. Hungry? That'll be your hormones. In a bit of a grump? Hormones. Fancy a cuddle with your significant other? Yup, that's them too.

The adrenal glands produce hormones that regulate metabolism and stress. Learn what happens when they under- or overproduce hormones and how these conditions are treated.

The parathyroid glands regulate calcium in the body. Learn about disorders like hyperparathyroidism, symptoms such as bone pain, and available treatments.

An underactive or overactive thyroid affects energy, weight, and mood. Discover how thyroid conditions are diagnosed and treated to help restore balance.

Menopause marks the end of menstrual cycles. Learn about symptoms like hot flushes and mood changes, and how hormone replacement therapy (HRT) can help.

Hormones control everything from growth to metabolism. Discover symptoms of hormone imbalances and how testing and treatment can restore balance.

Ovarian cysts, polycystic ovary syndrome (PCOS), and other issues can affect hormones and fertility. Learn about symptoms and treatment options.