Jefferson is a health care expert living in NY, USA. He is a health care expert and travels to more than 125 countries to share his experiences to the people. He conducted so many events and conferences based on health related topics, also he spread awareness about so many health issues. He also gives solutions to various health issues. He wrote so many books and published several articles on the internet. Recently he published an article on why men are using cheap sildenafil citrate tablets for ED problems.