Why Brain Games, Supplements, and Other Cognition Boosters Can't Fulfill Their Promises

Slate has relationships with various online retailers. If you buy something through our links, Slate may earn an affiliate commission. We update links when possible, but note that deals can expire and all prices are subject to change. All prices were up to date at the time of publication. If you're a curious human being, the kind that is likely to click on an article about cognition, you've seen the fads come and go over the years, many of them related to brain "enhancement."