• VIAGRA shrinks cancerous tumors and boosts effects of chemotherapy, study suggests.

• The drugs act on smooth (involuntary) muscle, making it relax. In the case of impotence, this helps the smooth muscle in blood vessel walls relax and dilate, increasing blood flow to the penis.

• In cancer, the drugs help by targeting cells called cancer-associated fibroblasts, which are found in the area surrounding cancers including prostate and lung, as well as esophageal cancer.

Tagged: Health & Wellness