from national expositor: Jennifer Cohen is an eleven-year old student in Mrs. Simmons' sixth grade Oradell, New Jersey class. Jennifer conducted an experiment proving aspartame, the artificial sweetener in diet soda, breaks down into two deadly neurotoxins when stored at room temperature and under refrigeration... Concerning aspartame, the FDA says, "we believe that based on all the information that we received to date that this is a safe product."