Yes in fact it does , steroids make your body muscles expand and don't work your pelvis , all steroids do is expand your muscles without having to exercise so it shrinks your testicles and sperm is reduced
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Here is some reaserch: Although uncommon, serious side effects have been reported with the use of creatine. Stop taking creatine and seek emergency medical attention or notify your doctor immediately...
It does not, at least not by much. Long term heavy users of Marijuana may have a slightly reduced sperm count, but it does not make them sterile or impotent, and it certainly doesn't act as birth...
not at all, dr.pepper does though.Answer: It is recommended that men who have a low sperm count switch to boxers. Apparently briefs keep everything a little closer and thus a little warmer...cooler...