4 citations
,
August 2024 in “International Journal of Impotence Research” Low testosterone increases kidney stone risk in men not on testosterone therapy.
77 citations
,
October 2007 in “International Journal of Andrology” Testosterone with or without finasteride doesn't improve thinking skills in older men with low testosterone.
January 2025 in “International Journal of Gynaecology Research” Adolescent females with PCOS have higher serum cystatin C levels, indicating potential metabolic and cardiovascular issues.
2 citations
,
December 2016 in “Journal of Pakistan Association of Dermatology” Higher androgen levels are linked to more severe hair growth in hirsute women.
44 citations
,
April 2008 in “The Journal of Clinical Endocrinology & Metabolism” Women with PCOS have similar levels of certain proteins compared to women without PCOS, and these proteins don't independently cause PCOS.
July 2022 in “International Journal of Health Sciences (IJHS) (En línea)” Men with Type 2 Diabetes have lower DHT levels, which may affect fertility and lipid profiles.
Lower vitamin D levels are linked to more severe hair loss in men.
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 2020 in “International Journal of Research” High testosterone increases heart disease risk in women with PCOS.
9 citations
,
January 2017 in “Ginekologia Polska” A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
7 citations
,
August 2017 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” Lower vaspin levels in the blood may indicate a better response to fertility treatment in women with PCOS.
May 2023 in “Bali Medical Journal” Higher sebum levels are linked to more severe male baldness.
December 2018 in “Journal of Advances in VetBio Science and Techniques” Low testosterone might be a common cause of hair loss in male dogs.
37 citations
,
March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
3 citations
,
June 2019 in “Journal of Bangladesh Society of Physiologist” People with hair loss often have lower levels of zinc and copper in their blood.
February 2024 in “Malahayati Nursing Journal” High androgen levels can cause hirsutism and increase inflammation.
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.
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.
March 2024 in “Journal of Applied and Natural Science” Mentha spicata leaves lower testosterone and aggression in female rats.
July 2021 in “Archives of Dermatological Research” Alopecia patients have less GPER-1, which might affect hair loss.
3 citations
,
April 2019 in “Hormone and Metabolic Research” Women with PCOS have lower adiponectin hormone levels and are more likely to have insulin resistance.
November 2020 in “Acta Scientific Women's Health” Low vitamin D levels can significantly contribute to hair loss, especially in women aged 35-45. Correcting these levels early may help prevent and treat this condition.
56 citations
,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
38 citations
,
January 2011 in “Endocrine Journal” Weight loss and metformin don't significantly change vaspin levels in women with PCOS.
4 citations
,
March 2018 in “PloS one” Men with less sun-sensitive skin have lower PSA levels, while men with more sun-sensitive skin have higher PSA levels.
2 citations
,
July 2025 in “Journal of Ovarian Research” Going to bed late may increase hormones and decrease muscle in women with PCOS.
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.
April 2015 in “The FASEB Journal” Blocking male hormones in baby rats improved memory and increased weight.
November 2025 in “Clinical Endocrinology” Spironolactone and metformin work similarly for PCOS symptoms, but more research is needed.
January 2026 in “Industrial Crops and Products” Ginsenoside Rf from Panax ginseng promotes hair growth and could be a natural alternative for treating hair loss.