How about birth control? I think some of them cause a receding hairline as I see tons of you women with hair loss at the edges like when a man's hair starts to recede. I don't know for sure what causes it, but I suspect it's either a form of birth control, or maybe some anxiety med.
Also, have your thyroid checked.
Here's an interesting matrix showing the signs and symptoms of low thyroid and low adrenal function.
http://www.drrind.com/therapies/meta...ymptoms-matrix