36 citations
,
June 2012 in “Alcoholism Clinical and Experimental Research” People with decreased kidney function have higher levels of ethyl glucuronide in their hair.
8 citations
,
August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
1 citations
,
August 2013 in “International Conference on Alcohol, Drugs and Traffic Safety (T2013), 20th, 2013, Brisbane, Queensland, Australia” People with kidney problems have higher hair EtG levels.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
2 citations
,
June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
1 citations
,
October 2024 in “FARMACIA” Low levels of zinc and selenium in the body are linked to a higher risk of cataracts.
1 citations
,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
1 citations
,
January 2016 in “American Journal of Clinical and Experimental Medicine” Men with androgenic alopecia have different hair copper levels than those without.
February 2025 in “Cureus” New methods reliably assess hair regrowth and scalp health in hair loss patients.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol is a reliable long-term stress marker during pregnancy.
121 citations
,
January 1991 in “Acta dermato-venereologica” Terbinafine quickly builds up in skin and hair, staying effective for over 3 weeks.
15 citations
,
July 1984 in “Nutrition Research” Selenium increased in hair but not in blood after taking supplements.
Higher methionine levels in pregnant rabbits' diets improve hair follicle development and hair fiber diameter in their babies.
Finasteride and low-level laser therapy are similarly effective for frontal pattern hair loss.
236 citations
,
April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
165 citations
,
August 2013 in “Lasers in Surgery and Medicine” Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.
60 citations
,
December 2015 in “Lasers in Medical Science” Low-level laser therapy is safe and can increase hair growth for male and female pattern hair loss.
46 citations
,
September 2010 in “Southern Medical Journal” Hair loss treatments include medications and new methods like low-level light therapy, which may work by boosting cell activity and blood flow.
43 citations
,
June 2012 in “Lasers in Medical Science” Low-level laser treatment helped rats regrow hair faster after chemotherapy.
41 citations
,
September 2010 in “British journal of dermatology/British journal of dermatology, Supplement” Both intense pulsed light and long-pulsed diode laser effectively reduced facial hair in women, with no significant difference in satisfaction after 6 months, but intense pulsed light was more painful.
22 citations
,
September 2014 in “Veterinary Dermatology” Low-level laser therapy seems to help dogs with noninflammatory alopecia grow hair back.
20 citations
,
July 2020 in “Expert Opinion on Biological Therapy” Using micro-needling, low-level laser therapy, and platelet-rich plasma together significantly improves hair growth in people with hair loss.
15 citations
,
May 2017 in “Lasers in Medical Science” Low-level laser treatment helps mice grow hair by increasing certain protein levels linked to hair growth.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
12 citations
,
November 2019 in “South African Medical Journal” Lye and no-lye hair relaxers can damage skin.
11 citations
,
January 2020 in “Skin appendage disorders” Low-level laser therapy safely and effectively improves hair growth and coverage for male and female pattern hair loss.
7 citations
,
November 2018 in “International Journal of Research -GRANTHAALAYAH” Human hair's biomagnetic fields can affect blood cell clumping and coagulation.
6 citations
,
September 2022 in “Journal of Clinical Medicine” The treatment might help COVID-19 related hair loss, but more research is needed.
5 citations
,
January 2021 in “Biomedicine & Pharmacotherapy” Policosanol helps treat hair loss by balancing hormones and supporting hair growth.
5 citations
,
October 2020 in “Lasers in Medical Science” Combination therapy works best for female hair loss, increasing density and thickness.