Walnuts speed mental processing

These crunchy gems are packed with omega-3 fats, copper and

manganese, nutrients that boost your brain’s production of a key neurotransmitter (acetylcholine) that neurons use to communicate quickly with each other. Munch on a 1⁄ -cup serving daily, and Canadian

3 researchers say you’ll enhance your concentration, short-term memory and multitasking abilities by 45%!