People who consume at least one diet soda a day are at a 43% increased risk of developing a heart attack, stroke, or serious vascular event according to an article in the January issue of the Journal of General Internal Medicine. A study of 2500 people over 10 years was completed. However, drinking less than 7 diet sodas a week or drinking regular sodas had no effect. The mechanisms for this are unknown.
A general review of artificial sweeteners such as aspartame, Splenda, Neotame, Sunette, Saccharine, and Xylitol and their safety is discussed.