Usage of the medication sildenafil - higher known to most as the brand-title drug Viagra - is related to dramatically reduced incidence of Alzheimer's illness, new research suggests. Based on a study led by researchers on the Cleveland Clinic, taking sildenafil is tied to a almost 70 p.c lower danger of developing Alzheimer's in comparison with non-users. That's based on an evaluation of medical insurance claim knowledge from over 7.2 million individuals, during which records confirmed that cla...