For More Information GO TO Aspartame (NutraSweet) Toxicity Home Page: http://www.holisticmed.com/aspartame/ 16. Conclusion Dr. Leibovitz concludes the article by stating: "Aspartame is a potent sweetener that -- at the very least -- can be safely used by virtually the entire population. The choice between sugar and aspartame is a 'no-brainer' if ever there was one." If by "no-brainer" Dr. Leibovitz is refering to the fact that aspartame will destroy brain cells over time, I wholeheartedly agree!