Hair loss for a female...?

my girlfriend is losing a bit of her hair...she's only 18...now i know she doesnt eat properly and eats alot of junk foods....

what can cause hair loss like that.??Hair loss for a female...?
Natual hormone fluctuation, stress, pregnancy, post-partum (post-pregnancy), starting or stopping breast feeding, starting or stopping hormonal birth control, poor diet, sudden onset of illness (diabetes, cancer, etc).... The list is virtually endless.Hair loss for a female...?
Female hair loss is becoming very common in young women and teens. Her poor diet may be part of the cause but there are many possible causes. You can read about teenage hair loss in this article.

http://ezinearticles.com/?Common-Causes-

Aromatherapy formulas using essential oils such as peppermint, basil etc. will help stimulate new growth and minimize hair loss.