Carl Zimmer test-drives a new wave of drinks which "contain mixtures of neurotransmitters, hormones, and neuroactive amino acids." Mmmm. Inevitable buzzkill:

When I reach Emory bioethicist Paul Root Wolpe, editor in chief of the American Journal of Bioethics Neuroscience, he opens up a can of outrage. "It is unethical to sell drinks with potentially powerful neurological effects without long-term scientific studies," he tells me. "I am especially worried about messing with the brain chemistry of people with depression, ADHD, or other conditions that may be made worse by neuroactive chemicals."

Even worse:

As I chug through my collection of brain drinks, I wait for genius to hit me. I feel no surge of brilliance. My writing dribbles on.

Alcohol has been known to work wonders for that.