Baldness is often hereditary and linked to male hormones, becoming noticeable when half the hair is lost.
Some treatments like minoxidil, finasteride, and surgery can help with hereditary hair loss.
August 2015 in “Europe PMC (PubMed Central)” Using body measurements can help achieve good results in plastic surgery like reshaping the torso, but it doesn't work for all body types.
Some cancer treatments cause different types of hair loss, but scalp cooling can help prevent it.
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September 1999 in “The New England Journal of Medicine” Finasteride and minoxidil are effective for hair loss, but continued research is needed for better treatments.
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October 1982 in “Postgraduate Medicine” Most types of hair loss can regrow naturally, but there are no effective cures for male pattern or age-related hair loss, and only limited options for females.