A new study on the effects of low daily doses of the artificial sweetener aspartame shows a statistically significant increase in leukemia, lymphoma and breast cancer in rats. Consumer advocates are calling for the FDA to take another look at the safety of aspartame in light of the study, but the FDA seems uninterested. Join discussion...

Oncologists do not usually need bodyguards when they present scientific data at a medical symposium. But when Howard I. Scher of the Memorial Sloan-Kettering Cancer Center and Maha Hussain of the University of Michigan spoke at a recent meeting of the American Society of Clinical Oncology, they were in fear for their safety. Join discussion...