Aspartame a methyl ester L-aspartylphenylalanine, is a widely used sweetener. The intake of aspartame was studied in 51 adults 23 of whom were carriers for phenylketonuria (PKU). The study was ...

A World Health Organization agency has classified aspartame, an artificial sweetener widely used in diet drinks and low-calorie foods, as possibly carcinogenic to humans. Getty Images How much ...