Baldness is often hereditary and linked to male hormones, becoming noticeable when half the hair is lost.
5 citations
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October 1984 in “The BMJ” Up to 50% of scalp hair can be lost before it appears thin, and treatment is only needed for hair loss caused by diseases or deficiencies.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
January 2008 in “Journal of The American Academy of Dermatology” Hair loss affects 20% of people, more in men and those over 35, and is often associated with a sensitive scalp.
December 2024 in “Australian Journal of General Practice” The woman's hair loss pattern doesn't match typical conditions like alopecia areata or female pattern hair loss.