Sex is an important thing in a person’s life. To have a successful marriage this is all the more essential. The bond between a husband and wife may break if they are no sex between them, that too because of inability of one partner. In order to meet this demand scientists worked to find out the reason. It was identified that the main reason for a man who could not have normal sex with his partner was Erectile Dysfunction(ED). This is due to problems in the circulation of blood.

When a person is sexually aroused blood flows to his genital part to make it stiff. When this does not happen the person is unable to continue the act. This defect may be due to various illness viz. diabetes, heart problems, bad lipid profile, spinal problems, and abnormal consumption of liquor or chain smoking which affects free flow of blood. Curing these diseases is a long term process. To streamline flow of blood to penis scientists have discovered a pill which is called Viagra. Viagra is available in various kinds. One is generic viagra which has a chemical name generic cialis. Now a days viagra online is the easiest mode of placing orders for the medicine.