| umls-concept:C0018500 | skos:definition | MSH: Diseases affecting the orderly growth and persistence of hair.,MEDLINEPLUS: <p>Did you know that the average person has 5 million hairs? Hair grows all over your body except on your lips, palms and the soles of your feet. It takes about a month for healthy hair to grow half an inch. Most hairs grow for up to six years and then fall out. New hairs grow in their place. </p><p>Hair helps keep you warm. It also protects your eyes, ears and nose from small particles in the air. Common problem with the hair and scalp include <a href='http://www.nlm.nih.gov/medlineplus/hairloss.html'>hair loss</a>, infections, and flaking.</p> | lld:umls |
