While mint is well known for its positive effects on the digestive system, we now have research demonstrating benefits for the brain.  Peppermint aromas enhance memory in the short term and would be helpful before and during test-taking or any task requiring the use of memory.  Spearmint extract taken internally improves working memory in those with age-associated memory impairment.  Mint is tasty and safe to ingest and there are a wide variety of ways to use it from simple Mint Water made by putting fresh sprigs of mint in a jug of drinking water to teas, syrups, pesto, tabouleh and more.  See below for recipes to enhance mental function and memory.