" Now it is believed that phytonutrients are actually weak toxins that stimulate the body’s endogenous antioxidants through a stress reaction, much as other positive stressors such as exercise strengthen various systems of the body. In any case, we know that men and women who consume high levels of fruits exhibit higher antioxidant capacities, are less prone to chronic diseases, and live longer. "

― Matt Fitzgerald , Racing Weight: How to Get Lean for Peak Performance