Aspartame sweetener may pose cancer risk - WHO The World Health Organisation (WHO)'s cancer research agency has classified the commonly used artificial sweetener aspartame as "possibly carcinogenic to humans." This announcement comes as a result of a joint assessment conducted by WHO's International Agency for Research on Cancer (IARC) and the Joint Expert Committee on Food Additives (JECFA), which is part of WHO and the Food and Agriculture Organization. It is the first time the UN health agency has publicly addressed this widely used sweetener. Aspartame has been used in multiple food...