I know what you’re thinking, what on Earth is Aspartame? Aspartame is a sweetener commonly used a lot of diet sodas and coffee. Is this video Dr Michael Greger talks about the effects that the sweetener has on brain function and weight gain. As always with Dr Michael Gregers videos they are backed up with several studies and background information on the science and the industry. This video may finally answer the question of whether or not diet sodas healthy for you.