Have they found a cure for the tiredness epidemic?
There\u2019s a lot of attention right now on nootropics, or brain boosters. The marketing is telling us these over-the-counter supplements will keep us awake and alert, and even improve the way our brains perform. But should we believe the hype? Guardian contributor Bianca Nogrady says \u2026 it\u2019s complicated. You can support the Guardian at theguardian.com/fullstorysupport