More on this week’s Anti-Oxidizing special: Concord grapes from Heinke’s family farm in Paradise, CA. Grapes are rich in antioxidants, especially resveratrol, which has been shown to increase the expression of three genes related to longevity. High in phytonutrients, grapes have been shown to improve the cardiovascular system, respiratory system, immune system, inflammatory system, blood sugar regulating system, and nervous system.