229 citations,
March 2001 in “European journal of endocrinology” Testosterone levels influence male behaviors and physical traits, but this relationship is complex and influenced by both internal and external factors.
41 citations,
September 2010 in “British journal of dermatology/British journal of dermatology, Supplement” Both intense pulsed light and long-pulsed diode laser effectively reduced facial hair in women, with no significant difference in satisfaction after 6 months, but intense pulsed light was more painful.
25 citations,
August 2006 in “Human Reproduction” Oral contraceptives lower testosterone levels in women, especially those with certain genetic traits, and may be linked to increased breast cancer risk.
December 2020 in “Journal of Skin and Sexually Transmitted Diseases” No strong link between testosterone or DHEAS levels and acne or hair loss in females.
6 citations,
April 2011 in “British journal of oral & maxillofacial surgery/British journal of oral and maxillofacial surgery” Surgeons' testosterone levels significantly increase during major head and neck cancer surgeries.
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,
January 2018 in “Biology and medicine” High testosterone levels in 20% of the women studied may indicate PCOS, while 80% had low levels with potential health impacts.
July 2021 in “International Journal of Community Medicine and Public Health” Men with type 2 diabetes often have low testosterone and signs of hypogonadism, especially if they are overweight.
29 citations,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
April 2022 in “International journal of respiratory and pulmonary medicine” People with lower levels of free testosterone tend to have worse COVID-19 outcomes.
January 2020 in “International Journal of Research” High testosterone increases heart disease risk in women with PCOS.
April 2019 in “Journal of the Endocrine Society” Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
56 citations,
October 1983 in “Archives of Dermatology” Some women with acne have higher levels of free testosterone, which might suggest using hormonal treatments for acne.
5 citations,
August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
Higher free testosterone levels can increase bone density and decrease body fat but may raise the risk of prostate cancer, hair loss, and benign prostate enlargement.
6 citations,
May 2016 in “Urolithiasis” Balding and low testosterone increase risk of urinary stones.
June 2019 in “The Medical journal of Basrah University” Laparoscopic ovarian drilling helps infertile women with PCOS by improving menstrual regularity, ovulation, and chances of conception, and by changing hormone levels.
April 2019 in “Journal of the Endocrine Society” A young patient with unusual insulin resistance and high testosterone levels had a rare INSR gene mutation.
20 citations,
June 2015 in “Hormone Molecular Biology and Clinical Investigation” Finasteride worsens erectile dysfunction and lowers testosterone in men with enlarged prostates, unlike tamsulosin.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
506 citations,
March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
12 citations,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
8 citations,
April 2019 in “Journal of the Endocrine Society” Postmenopausal women with hyperandrogenism didn't have better metabolic health even after their testosterone levels became normal.
1 citations,
January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
Toxoplasma gondii infection may increase testosterone levels in males.
January 2018 in “Journal of translational science” Eating alfalfa sprouts every day can raise testosterone levels in middle-aged men, but broccoli sprouts don't have this effect.
May 2017 in “Endocrine Abstracts” Testosterone levels are not linked to erectile dysfunction in young and middle-aged men with HIV.
64 citations,
August 1999 in “The American journal of medicine” The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
29 citations,
October 2020 in “eLife” Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.