January 2020 in “Journal of Clinical Biochemistry and Nutrition” Low zinc levels in chronic liver disease patients are linked to more severe symptoms like taste issues and skin problems, and zinc supplements might help.
December 2019 in “Fayoum University Medical Journal” People with Alopecia areata have higher levels of prostaglandin D2 in their blood and tissues.
June 2019 in “Journal of Akhtar Saeed Medical & Dental College” Prolactin levels are higher in women with hirsutism but don't relate to its severity.
January 2019 in “Egyptian Journal of Dermatology and Venereology /Egyptian Journal of Dermatology and Venerology” Low vitamin D levels might indicate more severe hair loss in alopecia areata patients.
January 2019 in “Türkiye klinikleri dermatoloji dergisi” Low levels of iron, ferritin, zinc, and folic acid may contribute to hair loss in women.
September 2018 in “International Journal of Dermatology” People with alopecia areata often have lower levels of zinc and vitamin D.
July 2018 in “Journal of College of Medical Sciences-nepal” Women with certain types of hair loss may have low iron levels.
April 2018 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Zinc levels in body fluids can help diagnose zinc deficiency in lambs, with fecal zinc as an early indicator.
March 2018 in “Benha Journal of Applied Sciences” Women with telogen effluvium have lower levels of VEGF, which may contribute to their hair loss.
January 2018 in “Hair therapy & transplantation” Hair health can indicate mental and general health.
December 2017 in “Revista Brasileira de Saúde Materno Infantil” Pregnant women with Systemic Lupus Erythematosus have a higher risk of blood clotting problems.
Calcitriol and metformin together are more effective for treating PCOS and lowering MCP-1 than metformin alone.
January 2017 in “International Journal of Trichology” Vitamin D supplements might help reduce hair fall.
August 2016 in “Annals of International medical and Dental Research” People with different types of hair loss often have lower iron levels in their blood.
July 2016 in “Journal of Dermatology and Cosmetic” Many people with hair loss have low vitamin D levels.
Low Vitamin D3 levels are linked to hair loss in female students in South India.
October 2015 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Finasteride reduces prostate size and PSA levels in young men with hair loss.
January 2015 in “Iraqi Journal of Hematology” Iron supplements can help reduce hair loss in women with low iron levels.
March 2014 in “Journal of The American Academy of Dermatology” Vitamin D deficiency is common in temporary hair loss, and stress is often a suspected cause.
January 2014 in “Dongwu yingyang xuebao” A dietary vitamin A level of 10,000 IU/kg is best for growing Rex rabbits.
May 2013 in “DOAJ (DOAJ: Directory of Open Access Journals)” Women with hair loss have higher free testosterone levels.
April 2013 in “The Journal of Urology” Higher CRP levels suggest chronic inflammation is linked to bladder-related urinary symptoms in men with enlarged prostates.
January 2013 in “kerbala journal of pharmaceutical sciences” Low zinc levels are strongly linked to hair loss in adult premenopausal women.
January 2013 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” YiFa compound serum may help treat hair loss by boosting hair follicle stem cell activity.
September 2012 in “DOAJ (DOAJ: Directory of Open Access Journals)” 
January 2012 in “Iraqi postgraduate Medical Journal” Serum ferritin is a better indicator than hemoglobin for detecting low iron in women with chronic hair loss.
Serum ferritin levels do not cause hair loss in women with telogen effluvium.
1.5% lactic acid improved mink growth and health best.
October 2011 in “Iranian Journal of Dermatology” Men with male pattern baldness may have a higher risk of heart disease due to increased levels of a specific lipid in their blood.
September 2010 in “European Urology Supplements” Opioid use may lower PSA levels, suggesting a possible role in prostate cancer control; PSA testing is useful for detecting prostate cancer; serum triglycerides are not linked to prostate cancer risk; and higher urethral PSA levels may be associated with local hormone activity.