219 citations
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January 2006 in “Drug Metabolism Reviews” DHEA affects multiple receptors and may help with metabolic issues, but its safety and effectiveness in humans are unclear.
169 citations
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February 2018 in “Immunity” Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.
95 citations
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August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
92 citations
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September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
44 citations
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January 2023 in “New Phytologist” FER and TOR signaling help root hair growth in low temperature and low nitrate conditions.
21 citations
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March 2021 in “Frontiers in Neurology” The posterior cerebellum helps maintain balance by adapting to sensory inputs and self-motion.
11 citations
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February 2021 in “Frontiers in Bioengineering and Biotechnology” Small molecule treatments improve the ability of human amniotic fluid stem cells to become different cell types.
7 citations
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October 2022 in “Development” Overactive Wnt5a disrupts hair follicle orientation in mice.
5 citations
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May 2023 in “Frontiers in Cell and Developmental Biology” Integrin α6 helps identify different neural crest cell types in the skin.
5 citations
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July 2017 in “International journal of endocrinology and metabolism/International journal of endocrinology and metabolism.” Two siblings with a genetic mutation had a form of rickets that doesn't respond to vitamin D.
4 citations
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June 2023 in “Journal of developmental biology” The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.
2 citations
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January 2023 in “International Journal of Biological Sciences” A specific pathway involving AR, miR-221, and IGF-1 plays a key role in causing common hair loss.
January 2026 in “Applied Sciences” Cyclic ADP-ribose helps regulate calcium and signals that promote hair growth in hair follicle cells.
July 2024 in “ACS Biomaterials Science & Engineering” Nanoencapsulated antibiotics are more effective in treating hair follicle infections than free antibiotics.
March 2026 in “International Journal of Molecular Sciences” A temporary capillary cell type helps skin repair after radiation by promoting blood vessel growth.
79 citations
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December 1999 in “Mechanisms of Development” Whn is crucial for hair growth in certain areas by controlling a specific gene.
2 citations
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January 2013 in “Journal of cosmetics, dermatological sciences and applications” Using a special shampoo and scalp tonic together can greatly reduce severe dandruff and its causes.
33 citations
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January 2001 in “Critical care clinics” Dietary lipids affect inflammation and are crucial for normal cell function and immune health.
256 citations
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October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
218 citations
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October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
18 citations
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June 2017 in “Proceedings of the National Academy of Sciences of the United States of America” A gene called Gk5 controls lipid production in the skin and affects hair growth.
184 citations
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October 2007 in “Proceedings of the National Academy of Sciences of the United States of America” Sulforaphane from broccoli can help protect skin from sun damage.
166 citations
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August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.
137 citations
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September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
92 citations
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August 2017 in “Proceedings of the National Academy of Sciences of the United States of America” Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.
85 citations
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October 2015 in “Proceedings of the National Academy of Sciences of the United States of America” NF-κB is crucial for zebrafish heart repair, affecting heart cell growth and repair processes.
29 citations
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February 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Loss of Fz6 disrupts hair follicle and associated structures' orientation.
61 citations
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June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
May 2007 in “Proceedings of the National Academy of Sciences of the United States of America” Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.