September 2023 in “Journal of Nutrition and Metabolism” One Ashwagandha extract may help protect cells with its antioxidant properties, while another could promote hair growth.
July 2023 in “Frontiers in Veterinary Science” Melatonin helps hair grow by activating the RORα receptor in goats.
A woman had temporary hair loss due to stress from a spinal cord injury.
Daily hair care may cause holes in hair fibers.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
218 citations
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January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
132 citations
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September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
127 citations
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December 2005 in “Experimental Dermatology” Stress can stop hair growth in mice, and treatments can reverse this effect.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
53 citations
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.