Mints
Forget the mints your associate with gum or mouthwash. There are actually hundreds of plants in the mint family that you may have never realized were technically classified as mints, including basil, rosemary, thyme, oregano, lavender, sage, and lemon balm. When used in teas, these herbs can soothe an upset stomach, but emerging research suggests that their individual compounds can prevent the breakdown of acetylcholine, a neurotransmitter that helps keep your memory sharp.
Read more: Growing Your Own Mint