Abstract
A s the human population ages and increases in longevity, study of biological aging is emerging. According to the Centers for Disease Control and Prevention, for 2003, an estimated 35.9 million Americans were over the age of 65 and more than 25 percent of this population was in fair-to-poor health.1 The mechanism of cellular aging is elusive and many theories have been proposed to explain the decrease in physiologic function that occurs with aging. As a result of increased risks of disease and mortality, decreases in quality of life, and rising health care costs, aging and longevity research is necessary to address problems related to aging. A wide range of nutrients and interventions have been shown to decrease cellular aging and age-related disease.
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