From Crystal Pepsi to Orbitz, revisit 15 discontinued sodas that made a splash in stores before disappearing for good.

A new study says adults who consumed the amount of sweetener found in a daily diet soda saw memory and mental sharpness ...

Artificial sweeteners cognitive decline research: a Brazilian study of 12,772 adults found diet-soda-level intake was linked ...

Caffeine is one of the most commonly consumed drugs in the world. It is found in various naturally occurring substances and can be ingested in a synthetically derived pure form. The majority of human ...