A study funded by Monsanto to study possible birth defects caused by consuming aspartame was cut off after preliminary data showed damaging information about aspartame. Additionally, in the book, While Waiting: A Prenatal Guidebook, it is stated that aspartame is suspected of causing brain damage in sensitive individuals. A fetus may be at risk for these effects. Some researchers have suggested that high doses of aspartame may be associated with problems ranging from dizziness and subtle brain changes to mental retardation.
Cancer (Brain Cancer)
In 1981, an FDA statistician stated that the brain tumor data on aspartame was so "worrisome" that he could not recommend approval of NutraSweet.(14)
In a two-year study conducted by the manufacturer of aspartame, twelve of 320 rats fed a normal diet and aspartame developed brain tumors while none of the control rats developed tumors, and five of the twelve tumors were in rats given a low dose of aspartame.(15)
The approval of aspartame was a violation of the Delaney Amendment, which was supposed to prevent cancer-causing substances such as methanol (formaldehye) and DKP from entering our food supply. A late FDA toxicologist testified before the U.S. Congress that aspartame was capable of producing brain tumors. This made it illegal for the FDA to set an allowable daily intake at any level. He stated in his testimony that Searle's studies were "to a large extent unreliable" and that "at least one of those studies has established beyond any reasonable doubt that aspartame is capable of inducing brain tumors in experimental animals ... " He concluded his testimony by asking, "What is the reason for the apparent refusal by the FDA to invoke for this food additive the so-called Delaney Amendment to the Food, Drug and Cosmetic Act? ... And if the FDA itself elects to violate the law, who is left to protect the health of the public?"(16)
In the mid-1970s it was discovered that the manufacturer of