diet soda

Moderate consumption of aspartame is OK, scientists say. But heavy consumers may want to reduce their intake. The WHO says aspartame may "possibly" cause cancer. The FDA questions the evidence.

New research adds to growing concern over zero-calorie drinks. Consuming artificial sweeteners may confuse our body, leading to increased hunger and weight gain.

A body of evidence suggests artificial sweeteners — most often consumed in diet drinks — could raise the risk of weight gain and type 2 diabetes. Some researchers think that artificial sugar may confuse the body.