January 2024 in “Journal of the Endocrine Society” The research found that measuring androgens in urine can give extra information about body metabolism and is linked to androgen levels in the blood, especially in young girls.
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.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
[object Object] 
84 citations,
April 2013 in “Applied Microbiology and Biotechnology” Mannosylerythritol lipids are good for skin and hair care products.
38 citations,
January 2011 in “Endocrine Journal” Weight loss and metformin don't significantly change vaspin levels in women with PCOS.
18 citations,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
9 citations,
May 2015 in “Cardiology Clinics” The conclusion is that managing cholesterol is important for women, especially during pregnancy, breastfeeding, and with PCOS, and involves regular screening and careful treatment choices.
[object Object] 
3 citations,
February 2016 in “Endocrinology and Metabolism Clinics of North America” Manage women's cholesterol with diet, exercise, and careful treatment choices, especially during pregnancy, PCOS, and menopause.
18 citations,
March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
4 citations,
January 2019 in “International journal of molecular sciences” Genetically modified sheep with more β-catenin grew more wool without changing the wool's length or thickness.