There are two words no man ever wants to hear: erectile dysfunction. One of the primary reasons a guy may devote so much time to maintaining his penis health is precisely because he wants to avoid the development of erectile dysfunction. Yet this issue can have many different factors as a cause, some of which may be beyond the control of any man - and a study in an Italian medical journal raises the possibility that one of those causes may be a guy’s own blood type.

Basics

Every guy h...


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