Health Information Library

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.

It's good for kids to build strength as long as form and safety come first.

This nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells and gets worse over time.

Understand what happens when your thyroid is underactive and learn about treatment for this condition.

Learn about this rare but serious condition of the adrenal glands that's treated by replacing hormones the body needs.

Learn more about the causes, symptoms, treatment and prevention of this common lip sore caused by the herpes simplex virus type 1 (HSV-1).

Treatment options for pain in your jaw joint and in the muscles that control jaw movement can include pain management, medical therapies and surgery.

Canker sore — Learn about the causes, treatment and prevention of this painful mouth sore.

This mental health condition causes extreme mood swings that include emotional highs, called mania, and lows, known as depression.

Learn about the symptoms and treatment of the kissing disease in adults and children.

Learn about effective treatment for sudden episodes of intense fear that trigger severe physical reactions when there is no real danger or apparent cause.

Learn more about this type of cancer that affects your throat (pharynx), voice box (larynx) or tonsils.

Breast cancer types include ductal carcinoma and lobular carcinoma. Learn about these and other types of breast cancer.

Learn about symptoms, risk factors, prevention, diagnosis, surgery, chemotherapy and other treatments for this serious condition affecting the pancreas.

Learn about the symptoms, risk factors and treatment of this cancer of the lymphatic system that causes swollen lymph nodes.

Learn about this cancer that forms in the blood and bone marrow.

Learn about the symptoms, diagnosis and treatments for this type of cancer that begins in the kidney.

This condition related to brain development causes problems in getting along with others socially and communicating. Symptoms and severity can vary widely.