393 citations,
November 2000 in “Archives of General Psychiatry” Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.
26 citations,
February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
12 citations,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
June 2012 in “Expert Review of Dermatology” Japanese researchers created new hair follicles from human cells that grew hair when put into mice, and other findings showed a link between eye disease severity and corneal thickness, gene mutations affecting hearing and touch, and the safety of the shingles vaccine for adults over 50.
October 2004 in “European Neuropsychopharmacology” Impulsiveness is common across various psychiatric disorders and linked to many psychological symptoms.
375 citations,
July 2006 in “Journal of Investigative Dermatology” Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.
252 citations,
January 2008 in “Trends in Endocrinology and Metabolism” Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.
228 citations,
September 2012 in “Trends in Neurosciences” Nerves are crucial for the regeneration of various body parts in many animals.
179 citations,
April 2012 in “Nature Communications” Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.
111 citations,
August 2002 in “Journal of Medicinal Chemistry” New compounds were made that block an enzyme linked to breast cancer better than existing treatments.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
82 citations,
August 2006 in “Pharmacology, Biochemistry and Behavior” Certain steroids in the brain affect mood and symptoms of depression, and treatments targeting these steroids show promise for improving these symptoms.
66 citations,
February 2015 in “Cell & tissue research/Cell and tissue research” The document concludes that there are no effective clinical treatments for hearing loss due to hair cell damage, but research is ongoing.
51 citations,
July 2010 in “Trends in Endocrinology and Metabolism” Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.
40 citations,
December 2012 in “Epilepsia” Neurosteroids change how GABA_A receptors work in the brain, which could be important for treating temporal lobe epilepsy.
31 citations,
January 2011 in “Dermato-endocrinology” Melatonin protects skin against UV damage by regulating various cellular processes.
24 citations,
November 2018 in “International Journal of Molecular Sciences” Ethosomes improve drug delivery through the skin but may have side effects like irritation.
22 citations,
August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
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.
9 citations,
July 2011 in “The Journal of Sexual Medicine” Hair loss drugs like finasteride may cause lasting sexual and mood side effects, and more research is needed to understand these risks.
7 citations,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
7 citations,
October 2000 in “Allergo Journal” Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
4 citations,
January 2018 in “General Physiology and Biophysics” The steroids allopregnanolone and allotetrahydrodeoxycorticosteron worsened absence seizures in rats.
1 citations,
February 2010 in “Proceedings of SPIE” Low level laser therapy may help regenerate hair cells in the ear after damage from gentamicin.
November 2023 in “Hair transplant forum international” Caffeine can stimulate hair growth, but the best dose and frequency for hair loss treatment are still unknown.
January 2019 in “Clinical neuropharmacology” A girl's hair-pulling condition improved greatly after she started vitamin D treatment.
January 2018 in “Springer eBooks” PDE inhibitors, especially PDE4 inhibitors like apremilast, are effective for certain inflammatory skin conditions but have side effects and can be costly.
January 2017 in “International journal of science and research” Trichotillomania is a chronic hair-pulling disorder, more common in females, treated with therapy and sometimes medication.
August 1994 in “Molecular Endocrinology” Changing protein kinase levels in pituitary cells affects calcium flow and beta-endorphin release.
349 citations,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.