You work in a building or factory with no open windows and stagnant air. You take oral contraceptives. You exercise vigorously. You drink an excessive amount of caffeinated drinks. You have a family history of cardiovascular disease or cancer.
Plants provide important protective substances called phytonutrients.
Phytonutrients are compounds in fruits and vegetables that protect plants from disease. Research indicates they also provide substantial health benefits to humans. Phytonutrients are not vitamins, minerals, or fiber. They are natural plant compounds of increasing interest for their potential medical and nutritional benefits. Phytonutrients appear to be in foods for good reason.