Lots: Stress can cause hair loss. Hypothyroidism is a common cause. Girls who twirl their hair or pull it back too tightly can also lose hair. A numer of nutritional defiencies can cause hair loss. Some times it can just be hereditary alopecia at a young age.
Answered 8/12/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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