The little blue pill is good for more than just one body part. Viagra lowers the risk of heart disease in men by up to 39 percent, according to a new study. And men who take the drug also appear less likely to suffer an early death from any cause. Researchers from the University of Southern California (USC) looked at 70,000 adult men with an average age of 52, all of whom had an erectile dysfunction diagnosis at some point in their life. ...