Eat more garlic. It may be bad for your breath, but garlic is packed with vitamin B6, manganese, and other natural elements proven to reduce inflammation and platelet buildup in your blood and arteries, finds research in the Journal of Cardiovascular Pharmacology. Not only is that good news for your heart, but the increased blood flow to your brain may also ward of age-related cognitive decline, the research shows. More from Prevention: Free Memory-Boosting Brain Games!