133 citations
,
September 2013 in “Nature Reviews Molecular Cell Biology” Different types of stem cells and their environments are key to skin repair and maintenance.
77 citations
,
June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
10 citations
,
August 2014 in “Skin research and technology” Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.
November 2023 in “Systems Biology in Reproductive Medicine” Vitamin E with oral contraceptives helps reduce PCOS symptoms by affecting hormone levels and stress.
Melatonin can improve treatment and extend remission for certain skin conditions.
September 2017 in “Eureka, Health Sciences/Eureka, Health Sciences.” Chronotherapy is more effective than traditional treatment for alopecia areata.
March 2004 in “Journal of Investigative Dermatology” Razor bumps are linked to a genetic variant, misoprostol helps erythromelalgia pain, steroid ointments don't affect skin rhythms, and certain antibodies are common in localized scleroderma.
38 citations
,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
March 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” HairTime can predict and adjust human sleep patterns using a hair sample.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
17 citations
,
April 2009 in “Andrologia” A boy's early puberty caused by a testicular tumor returned to normal after surgery.
3 citations
,
September 2008 in “Current signal transduction therapy” Drugs that block GSK-3 show promise for treating various diseases.
June 2026 in “Quality in Sport” CAH requires a multidisciplinary approach, and while current treatments help, future therapies show promise.
1 citations
,
May 2016 in “The Veterinary Journal” Glucocorticoids affect dogs' skin reactions to histamine, which vary by time of day.
5 citations
,
June 2011 in “PLoS ONE” Mammoth hair grew faster than human hair and showed seasonal changes in growth and mineral content.
5 citations
,
December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
61 citations
,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
91 citations
,
May 2005 in “The Journal of Clinical Endocrinology & Metabolism” A new mutation in the human glucocorticoid receptor reduces its function and causes resistance to glucocorticoids.
8 citations
,
May 2011 in “Journal of Pharmacology and Experimental Therapeutics” Dosing time affects finasteride's effectiveness and safety in rats.
45 citations
,
May 2019 in “Scientific Reports” Low color temperature light (1900 K) benefits health by promoting melatonin, protecting eyes, and aiding healing.
480 citations
,
August 2014 in “Nature Biotechnology” Changing the environment around stem cells could help tissue repair, but it's hard to be precise and avoid side effects.
216 citations
,
November 1999 in “Fertility and Sterility” Testing basal 17-HP levels is a good way to screen for nonclassic adrenal hyperplasia in women with high androgen levels.
78 citations
,
May 1989 in “The Journal of Clinical Endocrinology & Metabolism” Spironolactone effectively reduces hair growth in women with hirsutism and is generally well-tolerated.
70 citations
,
March 2010 in “The Journal of Steroid Biochemistry and Molecular Biology” Blocking a specific enzyme might help treat obesity and diabetes, but more research is needed to ensure it's safe.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
36 citations
,
April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
10 citations
,
April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
8 citations
,
June 2020 in “The Journal of Clinical Endocrinology and Metabolism” Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
3 citations
,
August 2017 in “International journal of reproduction, contraception, obstetrics and gynecology” People with PCOS have higher levels of PAI-1, which may increase their risk of heart disease and fertility issues.
July 2025 in “Insights-Journal of Health and Rehabilitation” Intermittent fasting improved blood sugar control in overweight adults with prediabetes.