Diet Sodas Linked to br Higher Risk of Death, Study Says Conducted by more than br 50 researchers, the study was br published Tuesday in the 'Journal br of the American Medical Association.' It focused on the health effects br of both regular and diet soft drinks br on more than 452,000 people in ten br countries, between 1992 and 2000. It found that drinking two or more br "glasses" of diet soda per day was br linked to deaths from circulatory disease, br including coronary artery disease. The study also found an association br between higher soft drink consumption br and risk of death from Parkinson's disease. Research Study, via MarketWatch A study published earlier this year br linked regular soft drinks to greater br risk of death from cardiovascular disease. Other studies have linked br both sugary and artificially br sweetened soft drinks to higher br risk of Type 2 diabetes and obesity.