May 2024 in “Journal of Advanced Research” Communication between blood vessel and hair follicle cells decreases with age, affecting hair growth and blood vessel formation.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Scarred skin in lichen planopilaris loses immune cells due to a decrease in a specific protein in skin cells.
January 2009 in “Heilongjiang xumu shouyi” Stem cells are present in goat hair follicles but decrease over time.
January 2022 in “Biomedical Reports” Inaudible sound at 30 kHz can boost hair growth and decrease hair loss by promoting cell growth and reducing cell death in hair follicles.
January 2012 in “Faculty of Health; Institute of Health and Biomedical Innovation” Early-onset hair loss is linked to Parkinson's disease and decreased fertility.
60 citations
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December 2015 in “Clinical and experimental dermatology” Laser hair removal improves quality of life but emotional benefits decrease over time, suggesting more treatments are needed for lasting effects.
53 citations
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April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
16 citations
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October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
7 citations
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January 2019 in “Headache” Hormone therapy may increase migraines in transgender women and decrease them in transgender men; more research is needed on migraine management in transgender individuals.
6 citations
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August 2021 in “International Journal of Cosmetic Science” Using antioxidants on the scalp can make it healthier and decrease hair loss.
1 citations
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January 2025 in “Clinical Cosmetic and Investigational Dermatology” Higher levels of certain proteins may increase or decrease rosacea risk.
November 2023 in “JEADV Clinical Practice” Patients with severe alopecia areata felt better and less anxious or depressed when treated with baricitinib compared to placebo.
43 citations
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March 2011 in “Journal of psychosomatic research” Kids with alopecia areata may experience more stress but not necessarily feel more anxious or depressed than others.
39 citations
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September 2012 in “Human Reproduction” Certain genetic variations in the SHBG gene are linked to an increased or decreased risk of PCOS in Mediterranean women.
31 citations
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September 2008 in “International Journal of Andrology” 5-alpha-reductase inhibitors may cause a low incidence of erectile dysfunction that decreases over time.
15 citations
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March 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.
15 citations
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June 1995 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect erections much, but may decrease libido in men.
4 citations
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November 2011 in “Archives of Dermatology” Hamilton scale imprecise, hair shaft diameter decreases, stem cell transplant regrows hair, ECP ineffective for alopecia areata universalis.
2 citations
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April 2016 in “Más dermatología” The supplement with Serenoa repens and Pygeum africanum significantly increased active hair growth and decreased rest phase hair in post-menopausal women with hair loss, with only mild digestive side effects.
November 2025 in “Iraqi Journal of Science” Celiac patients may have kidney function risks due to increased urea and creatinine and decreased magnesium, zinc, and vitamin C.
September 2024 in “Journal of the American Academy of Dermatology” Sun-protective behaviors increased, and sunburns decreased in both Hispanic and Non-Hispanic White individuals from 2005 to 2020.
January 2024 in “ARC Journal of Dermatology” During the COVID-19 pandemic, dermatology visits decreased, especially among older patients, patients of color, men, and those with chronic conditions.
17 citations
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April 1990 in “Environmental Research” Methylmercury accumulates in mouse hair during growth, then decreases when growth stops.
2 citations
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January 2021 in “Cureus” A child's chronic use of Senna caused liver damage and a severe decrease in blood cells, but improved after stopping Senna and getting treatment.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
September 2024 in “Meditsinskiy sovet = Medical Council” As women age, hair follicles decrease in number and hair width tends to reduce.
September 2023 in “Khyber Medical University Journal” People with alopecia often feel anxious, depressed, and have low self-esteem.
66 citations
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October 1984 in “Annual Review of Microbiology” Toxic Shock Syndrome cases increased due to new factors, but decreased with public health measures and changes in tampon use.
59 citations
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February 2021 in “BMJ” High doses of cyproterone acetate increase the risk of brain tumors in women, but the risk decreases after stopping the medication.
58 citations
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November 2012 in “PLoS ONE” Human skin cells can be turned into versatile stem cells, but their ability to do so decreases with repeated use.