Learn why a drop in estrogen, progesterone, and testosterone can affect libido, bone density, brain health, joints, and mood.

Learn what hormone replacement therapy is, how it works, and why some doctors prescribe estrogen and progesterone for perimenopause and menopause symptoms.

Does estrogen raise the risk of breast cancer and uterine cancer? We asked two trusted doctors.

If you’re considering hormone replacement therapy (HRT), you probably have questions. We asked clinicians and hormone specialists for answers about how HRT works, what its real risks and benefits are, and how to decide whether it’s right for you.

Always tired? Here’s what to do if a stealth infection is the reason why.

Always tired? The cause might be emotional, not physical — here's what to do.

Always tired? Here's how to tell if your nervous system is stuck in overdrive — and what you can do about it.

Chronic fatigue differs from ordinary exhaustion. Here's what you need to know.

Always tired? Here’s what to do if blood-sugar issues are the reason why.

Always tired? Here’s what to do if hormonal imbalance is contributing to your exhaustion.