20 citations,
February 1991 in “Archives of dermatology” High doses of tryptophan may cause eosinophilic fasciitis.
16 citations,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
21 citations,
September 1990 in “Journal of The American Academy of Dermatology” Taking L-tryptophan supplements might cause a condition similar to scleroderma in some people, which can get better after stopping the supplement and starting corticosteroid therapy.
11 citations,
November 1990 in “Archives of Dermatology” A woman developed a persistent skin rash and hair loss from a condition linked to her increased L-tryptophan intake.
7 citations,
May 2015 in “Journal of biological chemistry/The Journal of biological chemistry” Different ligands change the shape of the TRPV3 ion channel in unique ways.
9 citations,
March 2011 in “Clinical and experimental dermatology” The document concludes that anticonvulsants like phenytoin may cause skin reactions by affecting tryptophan metabolism and suggests researching vitamin levels in patients with drug reactions.
5 citations,
July 1991 in “Journal of The American Academy of Dermatology” Hair loss in a woman with eosinophilia-myalgia syndrome improved after stopping L-tryptophan and starting treatment.
April 2017 in “Journal of Pharmaceutical Investigation” Indole-based compounds improved ovarian health in rats with PCOS, with L-Tryptophan and Tryptophol being most effective.
4 citations,
July 1994 in “Clinics in Dermatology” Eosinophilia-myalgia syndrome, linked to contaminated L-tryptophan supplements, caused severe symptoms and some deaths, with long-term effects in survivors.
249 citations,
April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
220 citations,
August 1988 in “Clinical endocrinology” Melatonin may help with sleep issues, depression, and cancer, but more research is needed.
15 citations,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
13 citations,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
8 citations,
September 2019 in “Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity” A woman with anorexia nervosa improved after treatment for pellagra, reminding doctors to check for this deficiency in patients with eating disorders.
7 citations,
February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
5 citations,
July 2014 in “Acta Crystallographica Section D-biological Crystallography” Mutations in the enzyme don't significantly change how it binds to its specific substances.
3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
1 citations,
November 2021 Non-invasive methods can effectively monitor skin inflammation and cancer biomarkers.
1 citations,
January 2010 in “Biophysical journal” Hair fluorescence intensity can measure radiation exposure effectively.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.
222 citations,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
25 citations,
December 2005 in “Molecular Genetics and Metabolism” Taking riboflavin and eating less lysine can help some people with a specific genetic disorder avoid brain damage.
8 citations,
November 1990 in “Archives of Dermatology” A woman with EMS showed unusual skin mucinosis without the typical hard skin syndrome, suggesting EMS can cause skin mucinosis.
April 2023 in “Dermatologic surgery” The new graft-holding solution is better at preserving hair grafts and reducing hair shedding after transplantation than the standard solution.
76 citations,
February 2015 in “Industrial Crops and Products” Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.
31 citations,
January 2011 in “Dermato-endocrinology” Melatonin protects skin against UV damage by regulating various cellular processes.
July 2024 in “Behavioural Brain Research” Long-term finasteride treatment reduces depression and brain issues in obese male rats.
142 citations,
January 2019 in “Frontiers in Neuroendocrinology” Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.
2 citations,
November 2008 in “Medical Hypotheses” VEGF and its receptor might cause hair loss.
33 citations,
February 1996 in “Lancet” Losartan can cause temporary loss of taste.