Bodybuilding With Steroids Damages Kidneys Athletes who use anabolic steroids may gain muscle mass and strength, but they can also destroy their kidney function, according to a paper being presented at the American Society of Nephrology’s 42nd Annual Meeting and Scientific Exposition in San Diego, CA. The findings indicate that the habitual use of steroids has [...]
The researchers propose that extreme increases in muscle mass require the kidneys to increase their filtration rate, placing harmful levels of stress on these organs
This clearly makes sense.
It's also reasonable to presume that some medications would but stress on the kidneys.
This doesn't mean that all steroids used for any period of time is bad for your kidneys.
But yeah, ten straight years of hardcore steriod use with many different drugs and putting your body through the stress that comes from bodybuilding, it's no surprise to me that one would have significant problems.
