PENIS PILL: If you touch it, you'll go blind.
You’ll go blind! so the joke goes. It turns out that Viagra, Cialis etc… are alleged to be involved with vision loss in some patients which is something that we predicted might happen a few years ago. My wife told me this morning that this issue is finally starting to make it around to the popular media, but I first heard about this possibility several years ago when my mentor and I were talking about phototransduction and phosphodiesterase inhibitors.
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