Stress may lead to hair loss and balding, a new study on mice suggests.
Researchers from Harvard University found corticosterone, a hormone in mice released during stress, suppresses the production of a protein called GAS6.
GAS6 promotes the growth of hair follicles and when a person or animal is stressed, high corticosterone levels prevent it being made.
The discovery has not yet been shown to apply to humans but researchers say the mechanism is believed to be similar.
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