6 citations,
April 2019 in “Endocrinology and Metabolism Clinics of North America” Testosterone therapy for transmasculine individuals is generally safe with medical supervision, improves mental health, and has mixed effects on physical health.
6 citations,
September 2005 in “Expert Opinion on Pharmacotherapy” Androgen therapy can help with symptoms like low libido in women, but more research is needed to understand its long-term safety and effects on health.
1 citations,
February 2021 in “Clinical, Cosmetic and Investigational Dermatology” Low iron levels in the blood could be a sign of Telogen Effluvium, a type of hair loss, but it's not always accurate in distinguishing it from other hair loss types.
1 citations,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
June 2024 in “Research Square (Research Square)” Copper deficiency is linked to post-COVID-19 hair loss in women.
June 2024 in “Georgetown medical review” Finasteride treats hair loss but may cause low libido, erectile issues, and depression.
May 2024 in “Pakistan Journal of Health Sciences” Iron deficiency is linked to hair loss in CTE patients.
September 2009 in “European journal of paediatric neurology” Biotin supplements did not significantly reduce hair loss in rats on valproic acid.
June 1995 in “International Journal of Gynecology & Obstetrics” Higher doses of oestradiol implants improve bone density in postmenopausal women.
408 citations,
May 2004 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dutasteride more effectively lowers DHT levels in men with enlarged prostates than finasteride.
65 citations,
August 2016 in “Metabolic brain disease” Children with autism have lower levels of essential and toxic trace elements in their hair.
May 2023 in “Frontiers in Endocrinology” Blocking CRF1 receptors improved male hormone levels and reduced testicular tumor size in men with a specific adrenal condition.
Neurosteroids help regulate oxytocin levels, especially during stress and pregnancy, to protect against premature labor.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
73 citations,
April 1999 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Vitamin D receptor is crucial for bone health and mineral metabolism.
1 citations,
November 2023 in “Frontiers in veterinary science” Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.
May 2024 in “Journal of trace elements in medicine and biology” Overweight or obese women before pregnancy have lower iron levels in their serum and hair during early pregnancy.
November 2023 in “Journal of plant nutrition and soil science” Boron deficiency in maize affects leaf boron levels and nutrient uptake differently depending on root hair presence and soil type.
April 2022 in “JAAD International” Women with frontal fibrosing alopecia have similar vitamin D levels to those with other hair loss types, suggesting vitamin D is not a key factor in this condition.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Many young men with hair loss have low levels of vitamin D and B12.
17 citations,
May 2012 in “Clinical Endocrinology” Surgery to lower high testosterone in postmenopausal women with certain ovarian tumors doesn't significantly affect their metabolism.
15 citations,
March 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.
9 citations,
January 1959 in “The journal of nutrition/The Journal of nutrition” Higher potassium intake may protect against hair loss and liver fat in lysine-deficient rats.
Melatonin improves tomato root growth and plant health at certain levels by affecting genes and hormones but can damage roots at high levels.
July 2022 in “Journal of Dermatology and Dermatologic Surgery” People with chronic hair loss often have lower Vitamin B12 levels.
45 citations,
June 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Silicon can improve skin and hair health, but more research is needed.
13 citations,
February 2016 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Mice without active or present vitamin D receptors maintain normal blood sugar control and islet gene expression when calcium levels are normal.
7 citations,
September 2017 in “Biomedical and Pharmacology Journal” Growth factors greatly affect hair loss, with different levels seen in men, women, younger patients, and at the start of the condition.
3 citations,
November 2020 in “Biological Trace Element Research” Men with hair loss may lack zinc, copper, and vitamin D; supplements could help.
2 citations,
July 2019 in “Journal of psychology & clinical psychiatry” Zinc helps reduce the severity of depression.