Health Information Library

Read more about this less common type of dementia that can lead to personality changes and trouble with speech and movement.

Minerals in urine can form crystals when the bladder does not empty all the way.

Learn about this common eye condition that may look alarming but is usually harmless and clears up without treatment.

A shingles outbreak can affect the facial nerve near one of your ears, potentially causing facial paralysis and hearing loss.

This genetic condition stops typical development in parts of the body. It may include unusual facial features, short height, heart problems or other issues.

This rare movement disorder causes neck muscles to contract involuntarily. This can make your head twist or turn into often painful positions.

This neurological disorder occurs when a section of the spinal cord is inflamed, causing pain, weakness, sensory problems and dysfunction in the body.

If constipation causes stool to become impacted, liquid stool may leak out around the hard stool. Find out what causes this condition and ways to treat it.

Learn how omega-3 fatty acids in fish can benefit heart health.

This condition involves swollen lymph nodes in the membrane that connects the bowel to the abdominal wall. It usually affects children and teens.

Learn about this type of non-Hodgkin lymphoma that attacks the skin. Find out about symptoms, diagnosis and treatments.

Learn about this injury that affects one of the main ligaments in your knee and most commonly occurs during sports such as soccer and football.

Find out more about the symptoms, diagnosis and treatment of this cancer of the lymphatic system.

Learn about this cancer that affects the anal canal and causes bleeding and pain. Treatment usually involves a combination of radiation and chemotherapy.

Learn about causes of this common irritating skin condition and which treatments and self-care measures may provide relief.

This mental health condition includes schizophrenia symptoms, such as delusions and hallucinations, and mood disorder symptoms, such as depression and mania.

If you find it hard to fall asleep or stay asleep, or you have other long-term sleep problems, behavior therapy can help. Learn what's causing your sleep problems.

Damage to the small blood vessels in the kidneys can cause clots that clog the organ's filtering system. This can lead to life-threatening kidney failure.

Learn how an imbalance of the hormones estrogen and testosterone can cause breast tissue swelling in boys or men.

This condition occurs most often in the lower back. In many cases, it causes no symptoms and requires no treatment. Surgery is rarely needed.