Erectile dysfunction is a symptom of other medical conditions such as diabetes or heart disease. All people are different, many men have a preference these preparations because of their long-term action. Viagra is a type of medication used for treating Third-Medical premature ejaculation conditions, while there are several different causes for ED. The shorter is the time between two sexual acts and the more powerful erection is, those women who trying it just for fun have had exciting sex experience and very happy.