India, Aug. 4 -- Viagra, one of the world's most widely known treatments for erectile dysfunction, may also help curb the spread of cancer by strengthening a newly discovered cholesterol-regulating mechanism, according to a new study by researchers at the Weizmann Institute of Science.

Originally developed to treat high blood pressure and chest pain caused by reduced blood flow to the heart, Viagra has become the world's best-known medication for erectile dysfunction over the past three decades.

In a study published in the journal Cancer Research, scientists led by Dr. Yarden Ariav in the laboratory of Professor Ayelet Erez found that sildenafil, Viagra's active ingredient, could restrict cancer metastasis through a newly identified bio...