18 citations,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
17 citations,
March 2016 in “Liver international” Men with advanced liver disease and high oestrone and low testosterone levels have worse health outcomes.
14 citations,
December 1998 in “The Journal of Clinical Endocrinology and Metabolism” MENT could be a better option than testosterone for male hormone therapy and birth control because it works well at lower doses and has fewer side effects on the prostate.
11 citations,
August 2020 in “Diabetes” Testosterone helps human pancreatic cells increase insulin release.
11 citations,
March 2016 in “Translational Andrology and Urology” Nandrolone might increase muscle mass with fewer side effects than testosterone but could cause erectile dysfunction and needs more research.
11 citations,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.
8 citations,
May 1982 in “Journal of Endocrinology/Journal of endocrinology” Rat skin takes up and processes testosterone differently than other organs, with testosterone being more important for the skin than its metabolite 5α-DHT.
6 citations,
September 2012 in “Clinical Interventions in Aging” Honokiol might help reduce male skin aging by maintaining testosterone levels.
5 citations,
August 1987 in “Andrology” Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.
2 citations,
September 2007 in “International Journal of Impotence Research” Local testosterone treatment improved sexual desire in a female with fragile X syndrome.
1 citations,
January 1986 in “Journal of Steroid Biochemistry” Women with excessive hair growth or polycystic ovary disease may more often carry a gene variant for 21 hydroxylase deficiency.
June 2022 in “Journal of Experimental Biology and Agricultural Sciences” Higher testosterone harms sperm motility, while higher estradiol improves sperm survival.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
August 1993 in “Journal of Dermatological Science” Testosterone metabolism in balding scalp cells may not be the main cause of hair loss.
117 citations,
May 2017 in “Human Reproduction Update” The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.
81 citations,
July 2008 in “The Journal of Clinical Endocrinology and Metabolism” Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
25 citations,
September 2015 in “Clinical Endocrinology” Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.
16 citations,
March 2015 in “Wiener Klinische Wochenschrift” Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.
9 citations,
February 2020 in “International Journal of Endocrinology” Some men with early hair loss may have a male version of PCOS, affecting hormones and increasing health risks.
4 citations,
January 2010 in “Acta dermato-venereologica” Low androgen levels can still cause female pattern hair loss.
3 citations,
May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
21 citations,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
21 citations,
April 2011 in “Physiological Research” Normal levels of DHT can reduce belly fat and increase muscle, but too much can lead to hair loss, prostate issues, and possibly heart disease.
June 2017 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride's sexual side effects not caused by androgen deficiency or SRD5A inhibition.
147 citations,
April 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride safely lowers DHT levels without affecting testosterone.
22 citations,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
20 citations,
January 2003 in “Treatments in Endocrinology” Testosterone therapy can help improve mood, sexual function, and bone health in women with low androgen levels, but more research is needed to establish safe and effective guidelines.
6 citations,
January 2016 in “Menopause” Estrogen deficiency, like after menopause or certain surgeries, leads to faster skin aging and health issues.
5 citations,
January 2017 in “Endocrinology” Genetic defects in testosterone production can cause hormonal and developmental disorders, and more research is needed to understand androgen regulation and develop safer treatments.
3 citations,
October 1995 in “International Journal of Dermatology” Finasteride helps treat skin issues like acne and baldness by blocking testosterone conversion.