Scientists testing coffee against plain caffeine found that plain caffeine only partially reproduces the effects of drinking a cup of coffee, activating areas of the brain that make you feel more alert but not the areas of the brain that affect working memory and goal-directed behavior. ...
I always feel like research on coffee is inherently biased since 99% of scientists I know are hooked on coffee :p
We need to justify our biases somehow. ;)
Scientists: “Please god just give me one reason to keep sipping my mud!”