Health Information Library

Enlargement of the thyroid gland may be caused by autoimmune disorders, an iodine-poor diet, pregnancy-related hormones and other factors.

Learn about treatment of the serious bacterial infection commonly known as lockjaw and the vaccines that prevent it.

This short bout of stroke-like symptoms doesn't cause permanent damage. But it may serve as a warning sign of a future stroke.

Low blood sugar can cause uncomfortable symptoms, such as dizziness and confusion, and can quickly become serious if left untreated.

Learn about the symptoms, causes and treatment of this digestive system condition that can happen suddenly or build up over time and cause serious illness.

Is it red or is it green? Learn more about what causes this common eye condition and how to tell whether you can distinguish between certain shades of color.

Learn about the prevention and treatment of this disease that causes serious illness around the world.

This advanced stage of liver damage often shows no symptoms until it's quite serious. Find out about symptoms and treatment of this life-threatening liver condition.

A breakdown in the communication between nerves and muscles causes weakness and fatigue of muscles under your control.

Learn about this condition that causes uncontrollable shaking and find out how it differs from Parkinson's disease.

Better sleep can be yours! Consider sleep tips for the weary.

Tinnitus can be caused by many health conditions. As such, the symptoms and treatment options vary by person. Get the facts in this comprehensive overview.

Find out tips for preventing and dealing with this common skin condition that causes small, rough growths on your fingers and hands.

Eye floaters and reduced vision can be symptoms of this condition. Find out about causes and treatment for this eye emergency.

Learn how to get rid of these tiny, wingless insects and keep them from coming back.

Learn about the symptoms, causes and treatment for this common swelling of the voice box.

Memory loss may result from typical aging, a treatable condition or the onset of dementia.

What happens if part of the intestine bulges through a weak spot in abdominal muscle? This condition can be painful and often requires surgery to fix.

Gingivitis is a common and mild form of gum disease that causes irritation, redness and swelling of your gums.

This group of rare diseases involves the hardening and tightening of the skin and connective tissues. Some forms can affect internal organs.