Pfizer might get Alzheimer's lift from Viagra, study suggests

Pfizer Inc (NYSE:PFE, ETR:PFE) had some rare good news in a tough 12 months for the US pharma as a new study suggested that men who take Viagra for erectile dysfunction might have a reduced risk of Alzheimer's disease. Research involving over 260,000 men found that those using drugs like Viagra were 18% less likely to develop the condition, researchers from University College London found. Viagra, originally designed for high blood pressure and angina, acts on a cell-signalling messenger potentially linked ...