January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
July 2024 in “Research Square (Research Square)” SIRT3 and SIRT7 decrease, while NFATC1 and PDL-1 increase in Androgenetic Alopecia.
September 2022 in “PubMed” Collagen type XVII α1 decreases with age, leading to skin aging, but targeting microRNA-203b-3p may help maintain its levels and improve skin health.
October 1988 in “Archives of Dermatology” Minoxidil's benefits may decrease after two years of use.
209 citations
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September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
36 citations
,
July 2007 in “Journal of Investigative Dermatology” Certain HLA class II alleles increase or decrease the risk of alopecia areata.
35 citations
,
January 2013 in “The Journal of experimental medicine/The journal of experimental medicine” CD98hc's role in skin health decreases with age.
31 citations
,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
31 citations
,
November 2016 in “Cell Reports” Touch sensitivity in mouse skin decreases during hair growth due to changes in touch receptors.
21 citations
,
September 2008 in “Brain Research” Neurosteroids in the brain can increase or decrease seizure risk in mice.
13 citations
,
January 2021 in “Histochemistry and Cell Biology” Cholesterol transport in hair follicles decreases from growth to regression phase.
12 citations
,
November 2024 in “Journal of Ovarian Research” Certain inflammatory factors may increase or decrease the risk of developing PCOS.
11 citations
,
July 2019 in “The Journal of Sexual Medicine” Spironolactone might cause painful intercourse and decreased sexual arousal in women.
11 citations
,
April 1982 in “Journal of the Forensic Science Society” Enzyme presence in hair sheath cells decreases over time, affecting forensic analysis.
April 2024 in “Frontiers in microbiology” Certain gut bacteria may increase or decrease the risk of male pattern baldness.
November 2023 in “British journal of nutrition” Curcumin supplements increase adiponectin and decrease leptin in adults.
June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Activating β-catenin increases melanocytes and decreases Schwann cells.
April 2018 in “Journal of Investigative Dermatology” IL-9 increases skin cell movement but decreases their ability to invade, and this effect is controlled by cell contractility, not by MMPs.
August 2015 in “International Journal of Genetics and Molecular Biology” Certain genetic markers may increase or decrease prostate cancer risk.
Copper levels in green hair decreased significantly after treatment.
1 citations
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October 1988 in “Archives of Dermatology” Minoxidil's hair growth benefits may decrease over time.
April 2026 in “Inflammation and Regeneration” AKR1C enzymes in scalp glands decrease with age, possibly affecting hair loss.
March 2024 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Hair becomes less stiff as we age because of a decrease in zinc, which is linked to lower levels of the protein TG3.
The paper suggests that a decrease in estrogen receptor activity may cause sexual dysfunction syndromes and proposes hormonal treatments.
Calcium and magnesium levels in hair decrease after taking supplements, indicating early metabolic changes in perimenopausal women.
46 citations
,
September 2002 in “Journal of the European Academy of Dermatology and Venereology” Women with hair loss often feel depressed, while men are more anxious and aggressive.
40 citations
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February 2013 in “American Journal of Clinical Dermatology” People with hair loss feel more depressed and anxious, especially women, and need help managing emotions and beliefs about their condition.
205 citations
,
April 2013 in “British Journal of Dermatology” Platelet-rich plasma treatment significantly increased hair regrowth and decreased discomfort in alopecia patients, making it a potentially better and safer treatment option.
124 citations
,
December 1983 in “Developmental Biology” EGF receptors are crucial for skin cell growth and decrease with age.
89 citations
,
May 2005 in “Stem Cells” Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.