Forget expensive nootropics and brain-training apps — your grandparents might just need a cheap scoop of plant fiber to outsmart you at memory games. A new twin study found that simple prebiotic supplements (yes, the stuff that makes your gut happy) can actually improve memory and thinking speed in people over 60. Scientists are excited, your forgetful uncle is suddenly remembering where he left his keys, and Big Pharma is probably sweating.
Cheap Daily Supplement Appears to Boost Brain Functions in Older People