Health Information Library

A condition in which the knees bow apart even when standing with feet and ankles together, also known as bowlegs.

A condition in which red blood cells are destroyed faster than the body makes them.

An imbalance of lipids and lipoproteins in the blood.

An enlarged spleen.

Craving and chewing substances that have no nutritional value, such as ice, clay, soil or paper.

The bite of an insect, such as a bee or mosquito, which usually causes mild symptoms.

Hair loss from the scalp, causing baldness.

Hair loss from the scalp or body that can occur in people of any age and gender.

A complete or partial break in a bone.

A reversible condition in which hair falls out after a stressful experience.

Progressive loss of hair from the scalp beyond usual hair loss of less than 100 hair strands a day.

Sudden hair loss that starts with 1 or more round bald patches that may overlap.

A general term for age-related wear and tear of the spinal disks.

A slow-growing blood cancer in which bone marrow makes too many red blood cells.

A virus that spreads from person to person, most often causing sores around the mouth or genitals.

A condition in which the body has too little vitamin B-12, a nutrient that is needed to make red blood cells and DNA.

An infection caused by Ebola virus strains.

A group of genetic diseases that causes muscles to become weaker and lose mass over time.

A serious developmental disorder that impairs the ability to communicate and interact.

A rare inherited condition that causes an amino acid called phenylalanine to build up in the body.