Food contains much more than nutrients! Science is beginning to uncover the benefits of other substances in food: phytonutrients (including fiber), omega fatty acids, conjugated linoleic acid, and pre- and probi-otics, to name a few. Described as "functional," these substances do more than nourish you. They appear to promote your health and protect you from health risks related to many major health problems, including heart disease, some cancers, diabetes, and macular degeneration, among others.
At least for now, no DRIs exist for the functional components in food, except for fiber. And scientists don't yet fully understand their roles in health. However, within this book, you'll get a glimpse of emerg ing knowledge about functional substances in food. You're bound to hear more, as new studies about functional substances in food unfold.
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