This article was reviewed by Knox Beasley, MD. If you’ve noticed the signs of male pattern baldness — say, a thinning hairline or a bald patch on the crown of your head — a hormone called DHT is ...

Hormonal imbalances related to androgens, estrogen, cortisol, thyroid hormones, or insulin are often responsible for female hair loss. When these hormones are too low or too high, they can shrink hair ...