1. Hair Loss -- Information from Healthwise
This is called male-pattern or female-pattern hair loss, or androgenetic alopecia.. (Alopecia is the medical term for hair loss. Your health professional will ask you questions about your hair loss, such as whether your parents have hair loss,...
http://www.everettclinic.com/kbase/topic/major/aa151672/descrip.htm

2. Hair loss -- Mayo Clinic
Your hair loss may have started with a few extra hairs in the sink or in your comb. Hair loss may result from heredity, medications or underlying medical conditions. Baldness typically refers to excessive hair loss from your scalp and can be the...
http://www.mayoclinic.com/invoke.cfm?objectid=E60F7B8B-E3EB-45BA-85143C064C4E9E...

3. Hair Loss -- Information from the Merck Manual
The hair pulling may not be noticed for a long time, making doctors and parents think that an illness such as alopecia areata or a fungal infection is causing the hair loss. Alopecia areata is not the result of another disease, although some...
http://www.merck.com/mmhe/sec18/ch207/ch207c.html