Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
4 citations,
August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
April 2023 in “Dentistry” Baby teeth stem cells can potentially grow organs and treat diseases.
660 citations,
December 2011 in “Cell” Different hair follicles in the skin are innervated by unique combinations of mechanosensory neurons, crucial for touch sensation.
22 citations,
August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
77 citations,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
1 citations,
June 2012 in “Springer eBooks” Acupuncture may improve reproductive and metabolic functions in PCOS without negative side effects, but more research is needed to confirm its effectiveness.
December 2020 in “Current Sexual Health Reports” Finasteride can have lasting negative effects on brain function and behavior by disrupting neurosteroid production.
210 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
109 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
532 citations,
August 2011 in “Journal of the American Academy of Dermatology” Vitiligo is a skin condition causing white spots, more common in women, often starts before age 20, and can affect mental health.
46 citations,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
18 citations,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
11 citations,
April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
10 citations,
May 2018 in “Neuropharmacology” Drugs for hormone-related conditions might help treat mental disorders but could have serious side effects.
3 citations,
January 2023 in “PloS one” Implanting hair-follicle stem cells in mice brains helped repair brain bleeding and reduced brain inflammation.
January 2024 in “PloS one” Rat hair-follicle stem cells can become heart cells with specific supplements.
August 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.
8 citations,
January 2016 in “Cells tissues organs” Norepinephrine helps skin cells grow, which is important for hair growth.
140 citations,
February 2014 in “Neuron” Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.
106 citations,
February 2014 in “eLife” Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.
2 citations,
October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.
August 2023 in “Stem cell reviews and reports” 6 citations,
September 2022 in “Frontiers in pharmacology” Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.
15 citations,
January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.
12 citations,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
7 citations,
February 2019 in “International Journal of Dermatology” Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.