click入去: 逾八年的時間,食物及藥品管理局拒絕批准它因為這種藥物在實驗室的動物中產生痙攣和腦腫瘤。 wikipedia: Phenylalanine
[/quote]wikipedia: Aspartame
"Aspartame has been the subject of controversy regarding its safety and the circumstances of its approval by the American FDA and European FSA. Some studies have also recommended further investigation into connections between aspartame and negative effects such as headaches, brain tumors, brain lesions, and lymphoma."