Viagra Gets Competition
The Food and Drug Administration (FDA) has approved a new drug for treating erectile dysfunction. Produced by the Bayer Corp. in Germany and to be distributed in the U.S. by GlaxoSmithKline, the new oral drug called Levitra (vardenafil), will compete with Viagra in the sexual stimulant market...

Viagra In Heart Disease
Viagra (sildenafil) has revolutionized the treatment of male sexual dysfunction. However, its use has been said to be dangerous in patients with certain types of heart disease...