New research that links diet soda consumption with an increased risk of heart attack and stroke has doctors urging caution about the controversial and preliminary results.
According to a study of more than 2,500 people presented today as a poster at the American Stroke Association International Stroke Conference in Los Angeles, people who drank diet soda daily had a 61 percent increased risk of cardiovascular events compared to those who drank no soda, even when accounting for smoking, physical activity, alcohol consumption and calories consumed per day.

http://www.latimes.com/health/boostershots/lat-heb-dietsodastrokeheartattack20110209,0,4324389.story