How does Viagra work?
V*agra relaxes muscles and increases blood flow to improve erections. During an erection, chemicals in the body cause the p*nis to relax and blood to accumulate. This blood stays in place, keeping the p*nis erect. If this blood isn't kept in place or if the muscles don't relax, erectile dysfunction occurs. V*agra works by keeping these muscles relaxed and increasing blood...
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