Aspartame is an artificial sweetener that is commonly found in chewing gum as well as other sugar-free food products. "In human studies, aspartame has been correlated with obesity and headaches ...

According to the WHO, the occasional aspartame-sweetened drink, yogurt or piece of sugar-free gum is safe, USA TODAY previously reported. Heavy users of aspartame are recommended to cut down.

Aspartame is a widely used artificial sweetener ... in their personal hygiene products and/or regular consumption of "sugar-free food" artificially sweetened with aspartame. Based on their ...