Viagra is not a sin or a sign of weakness. It shows that you care for yourself and your sex partner. Many men have shown and confessed that they have a better sex life after consuming the “blue pill.” If you wonder about the safety and efficacy, you can have an answer in this article. We hope it will help you.

What makes this research great: The research is strong because: (1) it is double-blind (both researchers and subjects did not know what pills the respondents took – placebo or Viagra), (2) It uses control group and intervened group. (3) It summarizes 11 different studies with total subjects 2667 respondents.

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