Health Information Library

Is caffeine causing you problems? Find out how much is too much and if you need to cut down.

Learn about diagnosis and treatments for this rare blood disorder that affects many parts of the body.

Learn how to warm up and cool down the safe way.

Learn more about this contagious viral illness that affects the nervous system. Severe disease can lead to paralysis, trouble breathing and sometimes death.

Understand what may cause ejaculation to happen earlier than wanted during sex. Also learn how to treat and prevent it.

These rare hereditary conditions result in a problem in nerve stimulation, causing muscle weakness that worsens with physical activity.

These mental health conditions involve experiencing a loss of connection between thoughts, memories, surroundings, actions and identity.

Learn more about this condition in which the heart's upper chambers beat too quickly, causing a rapid, but usually regular, heart rhythm.

Learn how to prevent problems by checking blood sugar before, during and after exercise.

Learn about the symptoms, diagnosis and treatment for various conditions that affect the retinas and vision. Find out when it's time to contact a doctor.

Find your fitness level with these simple fitness tests.

Learn what cancer recurrence means, and find out what you can do to cope when cancer returns.

Are you pregnant? Tender breasts, nausea and fatigue are just a few early symptoms of pregnancy. Find out about these and less obvious pregnancy signs.

This liver condition is becoming more common in the Western world. Find out how to treat and prevent this potentially dangerous liver disease.

Find out about the link between your oral health and overall health.

If walking is your main form of physical activity, see how activity trackers can help you set and achieve your fitness goals.

Ongoing pain in the pelvis can be a symptom of another disease or a condition in its own right. Learn how it's diagnosed and treated.

Learn more about this condition that mainly affects young children and causes swelling, called inflammation, in the walls of the arteries throughout the body.

Learn about the symptoms and treatment of this thyroid disorder caused by an immune-system dysfunction.