low free Testosterone is found to be associated with a 3.3 fold increased risk of premature coronary artery disease. The free Testosterone here is 17.3 pg/ml, but could be as high as 25 pg/ml.
Good review of the HPA-sex hormone pathways, called the Hypothalamic-Pituitary-Gondal axis, including HP feedback. This is not a study but has nice diagrams. This is based on 14 referenced articles and 1 book chapter.
Endocrine Disrupting Chemicals from 1970 still disrupting hormones today. Three fold increase in DHEA in 3 year old children via saliva and androstenedione in mothers compared to controls.
curcumin has a potential therapeutic effect on prostate cancer cells through down-regulation of AR and AR-related cofactors, including AP-1, NF-κB and CBP.