Publisher's Synopsis
Viagra is a drug for treating sexual erectile dysfunction issue in men, it acts an inhibitor of PDE5 enzyme which enables blood flow to the penis, hence the man is able to get an erection for sex pleasure.The information in this book: Viagra: All you need to know about the Viagra pills, its use, dosage and side effects; Information on the erectile dysfunction pill for improved sexual performance, is not to be substituted for a professional medical advice or treatment, all content in here for strictly for information purpose alone.
