175 citations,
November 2009 in “PLOS ONE” Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.
134 citations,
June 2005 in “Neuropsychopharmacology” GABRA2 gene variations impact alcohol response, and hair loss medication finasteride reduces some effects.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
[object Object] 81 citations,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
81 citations,
May 2007 in “Fertility and Sterility” Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.
77 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
77 citations,
November 2007 in “International Journal of Andrology” Testosterone with or without finasteride doesn't improve thinking skills in older men with low testosterone.
73 citations,
July 2013 in “The Journal of Sexual Medicine” Finasteride use changes brain chemicals, causing lasting sexual issues and anxiety/depression.
69 citations,
April 2017 in “BMJ open” Many people with alopecia experience high levels of social anxiety, anxiety, and depression, and while wigs can boost confidence, they may also cause anxiety.
69 citations,
September 2006 in “Human Reproduction” Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
63 citations,
December 2002 in “Archives of Dermatology” The 308-nm excimer laser is a promising treatment for vitiligo with varying success and mild side effects.
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.
61 citations,
April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
[object Object] 59 citations,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
58 citations,
April 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” Post-finasteride patients show changed neuroactive steroid levels, possibly causing erectile dysfunction and depression.
57 citations,
July 2009 in “Urology” Finasteride helps reduce priapism in sickle cell anemia patients.
54 citations,
October 2019 in “Cochrane library” Some drugs may reduce prostatitis symptoms short-term with few side effects.
53 citations,
December 2015 in “JAMA Dermatology” Women with PCOS often have more body hair, acne, and skin darkening, and these signs are linked to metabolic issues like insulin resistance and high cholesterol.
52 citations,
June 2013 in “The Journal of Clinical Endocrinology and Metabolism” The research found that anovulatory young women have higher androgen and hormone levels than those who ovulate, suggesting immature hormonal regulation rather than a specific condition.
43 citations,
January 2016 in “International Journal of Andrology” Finasteride caused long-term sexual and non-sexual side effects in young men with hair loss.
43 citations,
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,
January 2012 in “International Journal of Trichology” Melatonin solution helps treat hair loss in men and women.
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.
37 citations,
April 2012 in “British Journal of Dermatology” Female hair loss linked to metabolic syndrome, not in males.
36 citations,
July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
36 citations,
June 2001 in “Neuroscience Letters” Finasteride may affect fetal brain development and increase arousal, but more research is needed for safety confirmation.
34 citations,
November 2013 in “Breast Cancer Research and Treatment” Aromatase inhibitor therapy for breast cancer increases the risk of hair loss and thinning.
29 citations,
May 1998 in “Bulletin of the American College of Nurse-Midwifery” The document concludes that menopause should be seen as a natural part of aging and managed with personalized care and informed choices.
28 citations,
May 2015 in “Addiction Biology” Prenatal stress changes how male and female rats enjoy rewards differently, linked to sex hormones.
28 citations,
January 2013 in “Stem cells” Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.