October 2024 in “Skin Appendage Disorders” Some people grow more hair on one side of their scalp, possibly due to genetics, behavior, or environment.
84 citations
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October 2005 in “Annals of Clinical Psychiatry” Hairpulling, skin picking, and nail biting cause significant harm and need more research for better treatments.
12 citations
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December 2020 in “Journal of The American Academy of Dermatology” The COVID-19 pandemic increased symptoms in people with skin picking and hair pulling disorders.
8 citations
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February 2021 in “Comprehensive psychiatry” People with trichotillomania or skin picking disorder generally sleep worse than those without these conditions.
5 citations
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August 2023 in “Skin Research and Technology” Hairy skin feels prickling more intensely than smooth skin.