51 citations
,
November 1988 in “The Journal of Clinical Endocrinology & Metabolism” Higher levels of a specific hormone are linked to more chest hair and acne in men.
50 citations
,
November 2020 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
50 citations
,
July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
50 citations
,
June 2014 in “Experimental and Clinical Endocrinology & Diabetes” Hair hormone levels can indicate obesity-related changes and are useful for research and clinical practice.
49 citations
,
May 2020 in “Frontiers in Public Health” Insulin resistance linked to obesity may increase COVID-19 severity.
48 citations
,
October 2014 in “International Journal of Cardiology” People with alopecia are at higher risk for heart disease and have more heart-related risk factors.
47 citations
,
January 2016 in “MethodsX” Hair cortisol analysis is a reliable tool for monitoring long-term stress in captive chimpanzees if certain variables are controlled.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
44 citations
,
March 2019 in “Experimental Dermatology” A wide range of proteins are integrated into the skin's protective layer.
44 citations
,
June 2018 in “Journal of Visualized Experiments” A culturally sensitive method was developed to collect hair samples from African Americans for stress analysis.
44 citations
,
September 2016 in “American Journal Of Pathology” Neural crest-derived progenitor cells in the cornea could help treat corneal issues without transplants.
44 citations
,
February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
43 citations
,
January 1999 in “Endocrinology” Cortisol increases a specific protein in bone cells, which may help explain its negative effects on bone.
42 citations
,
December 2019 in “Steroids” Body hair isn't a good substitute for scalp hair in steroid analysis.
42 citations
,
July 2007 in “Journal of Biological Chemistry” Most Hairless gene mutations reduce its ability to work with the Vitamin D Receptor, which might explain a certain type of hair loss.
41 citations
,
January 2000 in “Hormone Research in Paediatrics” Cortisone reductase deficiency can cause high androgen and cortisol levels and may be missed in women with similar symptoms.
41 citations
,
September 1951 in “Annals of Internal Medicine” The anterior pituitary controls adrenal cortex size and activity through ACTH.
39 citations
,
January 2012 in “Dermatology” Combining high-dose corticosteroids with methotrexate may be effective and safe for severe alopecia areata.
37 citations
,
January 2005 in “Dermatology Online Journal” Women under 55 with hair loss (AGA) may have a higher risk of heart disease (CAD).
36 citations
,
September 1999 in “Toxicologic pathology” Stronger corticosteroids cause more skin damage in hairless dogs, similar to effects in humans.
34 citations
,
September 2013 in “Urology” Long-term use of a certain medication can worsen erectile function in aged rats by damaging penile muscle cells.
34 citations
,
November 1974 in “Archives of Dermatology” Smaller, diluted corticosteroid injections reduce the risk of vision loss.
33 citations
,
December 2017 in “Journal of neuroendocrinology” Sex and stress steroids quickly change brain cell structures in the hippocampus.
33 citations
,
January 2017 in “Psychoneuroendocrinology” Hair dyeing and washing frequency do not affect hair cortisol levels.
33 citations
,
October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
32 citations
,
January 2017 in “Physiology & Behavior” New hair growth corticosterone levels are higher in diabetic mice, indicating long-term stress.
30 citations
,
July 2023 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Cortisone in hair is a more reliable indicator of stress hormone exposure than cortisol.
30 citations
,
October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
30 citations
,
September 2017 in “Environmental health perspectives” Exposure to Corexit dispersants during the oil spill cleanup was linked to increased respiratory and eye irritation symptoms in workers.
30 citations
,
August 2015 in “JAAD case reports” Platelet-rich plasma (PRP) injections successfully treated a woman's steroid-resistant hair loss, causing hair to regrow within a month.