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.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
195 citations
,
December 2009 in “Journal of Investigative Dermatology” Free fatty acids in sebum boost skin's defense against acne by increasing antimicrobial peptides.
192 citations
,
January 1976 in “The Journal of Clinical Endocrinology & Metabolism” Androgen levels increase with puberty and are linked to sexual hair development.
186 citations
,
February 1980 in “Clinical Endocrinology” During puberty, hormone levels rise, with early increases in some steroids and most menstrual cycles becoming regular by six years after menarche.