Health FoodA non-medical term defined by the lay public as a food that has little or no preservatives, which has not undergone major processing, enrichment or refinement and which may be grown without pesticides. Health foods have been attributed with the ability to prevent the development of diseases, slow the aging process, and prolong life. (from Segen, The Dictionary of Modern Medicine, 1992)
FoodAnything which, when taken into the body, serves to nourish or build up the tissues or to supply body heat. (Dorland, 27th ed)
HealthThe state of the organism when it functions optimally without evidence of disease.
The state of conforming to a type, standard, or regular pattern. (Merriam-Webster's Collegiate Dictionary, 10th ed)
AgingThe gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.
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