12 citations
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January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
13 citations
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January 1963 in “Radiation Research” X-ray microbeams can mimic cosmic rays' effects on tissue, aiding wound healing and hair growth.
52 citations
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January 2005 in “International journal of experimental pathology” Melatonin may reduce skin damage caused by X-rays in rats.
January 2025 in “Antioxidants” SHED-CM can reduce hair graying and protect against damage from X-rays.
Different hair growth phases affect how follicles respond to X-rays, and hormones like testosterone and dihydrotestosterone play a key role in baldness; transplanted hair can grow on bald scalp areas.