199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
160 citations
,
July 2008 in “Experimental dermatology” Melatonin protects the skin by scavenging free radicals and repairing DNA damage.
150 citations
,
April 2013 in “Dermato-endocrinology” Estrogen therapy can reduce skin aging but has cancer risks.
141 citations
,
November 2007 in “Journal of Investigative Dermatology” Balding cells age faster due to stress, suggesting stress-targeting treatments for hair loss.
113 citations
,
June 2019 in “F1000Research” Scarless healing is complex and influenced by genetics and environment, while better understanding could improve scar treatment.
109 citations
,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
104 citations
,
June 2020 in “Journal of Endocrinology” Hyperandrogenism and insulin resistance in PCOS-like rats can lead to pregnancy complications due to increased cell death in the uterus and placenta.
102 citations
,
January 2003 in “Dermatology” Smoking may contribute to hair loss in men.
99 citations
,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.