The following is a negative but informative study regarding the adverse effects of AAS on cardiovascular, metabolic and reproductive systems of anabolic substance users ("abusers").
It's a study conducted by the Drug Research Unit, Department of Mental Health and Alcohol Reserarch of the National Public Health Institute of Helsinki.
Enjoy.
Here's the link:
http://ethesis.helsinki.fi/julkaisut...a/adversee.pdf