Get rid of toxins by gargling with prune juice. Create "top 100″ lists. Make your bed using the flat sheet for the fitted sheet and vice versa.
One of these ideas will help you get smarter. Can you guess which one? Keep reading for our full list of 28 items that will (and will not) make you brainier, taken from Patricia Marx's book "Let's Be Less Stupid" (an excellent late summer read, by the way).