Updated: Monday, 23 Mar 2009, 8:46 AM EDT
Published : Saturday, 21 Mar 2009, 7:32 PM EDT
There might be a breakthrough in the fight against hair loss for women.
Dr. Sapna Parikh explains the breakthrough and what it means for women dealing with hair loss.
Watch the video, left.
Many factors can play a role in female hair loss such as medication and underactive thyroids or low levels or iron.
Dr. Sapna talks to Dr. Neil Sadick, who said he has discovered a new cause. Watch Dr. Sapna's report on Monday's Good Day New York.
Also, check out the video, below, for information on the side-effects of hair loss treatments for women.