There's promising new research to report in efforts to reverse baldness : A new study shows how restorative hair growth can be triggered in mice within 20 days, by stimulating fat cells around hair follicles in the skin.

Led by researchers from the National Taiwan University, the study builds on established knowledge of how skin irritation and injury often trigger hair growth. The team aimed to uncover more about why that happens, and to see if these mechanisms could be harnessed to treat hair loss.

"The bodies of most mammals are covered by a dense hair coat, which serves as the first protective barrier," systems biologist Kang-Yu Tai and colleagues write in their published paper.

"Irritation or injury to the epidermal skin surface, the second body barrier in most mammals, should

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