18 citations,
December 2010 in “Journal of Trace Elements in Medicine and Biology” Women with AGA have more androstenedione and dihydrotestosterone, less copper and zinc; copper imbalance affects AGA; treatment improves hormones and minerals.
16 citations,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
14 citations,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
13 citations,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
11 citations,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
10 citations,
May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
3 citations,
November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
March 2024 in “International journal of molecular sciences” Zinc, copper, and iron are important for skin health and may help diagnose skin diseases.
November 2023 in “Biology” Lower hair copper and copper-to-zinc ratio are linked to more severe coronary artery disease.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
33 citations,
July 1992 in “Journal of Investigative Dermatology” Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.
21 citations,
September 2017 in “Journal of Obstetrics and Gynaecology Research” Chromium supplements don't improve insulin, hormone levels, or cholesterol in women with PCOS but raise testosterone levels.
21 citations,
July 2002 in “Clinical and Experimental Dermatology” Hair care products don't cause hair loss if used correctly.
15 citations,
January 1971 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis can't determine ponies' calcium and phosphorus levels; use soil and feed tests instead.
11 citations,
April 2018 in “Nutrition Research” Chromium supplements don't help with weight loss or improve hormone and metabolism issues in people with polycystic ovary syndrome.
October 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Mice treatments didn't grow hair, a patient treatment may affect immune response, and people with hair loss often feel anxious or depressed.
24 citations,
May 2021 in “Nature Communications” Cavity macrophages gather on organ surfaces but don't really invade or help repair the organs after injury.
1 citations,
March 2022 in “Cureus” A woman with lupus and systemic sclerosis developed severe acne that didn't improve with treatment and died from pneumonia and septic shock.
Penicillamine can cause taste problems due to copper loss, which can be fixed with copper or zinc supplements.
195 citations,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
65 citations,
January 2009 in “Annals of Dermatology” Zinc supplements increased zinc levels in some hair loss patients but didn't significantly improve hair growth.
26 citations,
February 2009 in “Drug Development Research” 17α-estradiol is a safe estrogen that might protect the brain and doesn't cause feminization, needing more research for treating brain diseases.
Tacrolimus causes fewer acute rejections than cyclosporin A in kidney transplants but doesn't necessarily improve kidney function after one year; cardiovascular risks and side effects vary between the two drugs.
January 2011 in “Side effects of drugs annual” Tretinoin gel is safe for sun exposure, but tacalcitol doesn't significantly improve non-segmental vitiligo.
98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
December 2018 in “Journal of Patan Academy of Health Sciences” Many Chinese patients lose hair after weight loss surgery, especially women, and taking iron and zinc on their own doesn't help.
10 citations,
April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
September 2020 in “Nature, Environment and Pollution Technology/Nature, environment and pollution technology” Eating plants from polluted areas can cause liver and kidney damage in rats due to toxic metals.