Dr John Cena is an experienced urologist with two decades of experience in the domain. Throughout his medical career until now, Dr Cena has helped males to cure urology issues and regain the health without adverse event. His research also shed light on the fact the some issues like prostate enlargement, could impact erection process of males. But Dr Cena has mentioned that his experience has been that males with drugs can overcome the issue. He prescribes Levitra 40mg to males after assessing the tolerability of the male. Dr Cena has not noticed any adverse reaction in males after dose use. Current, Dr Cena is with thesynergycompanies.com as a consultant.