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April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
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April 2000 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” ICAM-1 helps regulate hair growth cycles and skin remodeling.
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January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.