Fast weight loss= Hair loss?

[PhoenixRisin']

I have heard of cases where people loose weight quickly and their hair falls out. At what point would this happen? Is it caused by the fast weight loss or the lack of nutrition? Just curious.

 

[maleficent]

http://weight-loss.fitness.com/topic/18780-hair-weight-loss.html

http://weight-loss.fitness.com/topic/8581-hair-loss.html

http://weight-loss.fitness.com/topic/13483-thinning-hair.html