Implications of Cigarette Smoking on Early-Onset Androgenetic Alopecia: A Cross-Sectional Study

    April 2021 in “ Journal of Cosmetic Dermatology
    Ahmed Salem, Hany M. Ibrahim, Heba T Abdelaziz, Mohamed L. Elsaie
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    TLDR Smoking increases early hair loss risk in men; quitting may help prevent it.
    A cross-sectional study found that smoking is associated with a higher prevalence and severity of early-onset androgenetic alopecia (AGA) in men, with the risk increasing with the number of cigarettes smoked per day and the duration of smoking. Quitting smoking may help prevent or delay the onset of AGA. The exact mechanism is unclear, but nicotine and cotinine may accelerate the progression of AGA through toxicity and oxidative stress. Further research is needed to investigate this relationship.
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