What is the secret to a long life? Hear from scientists using biotechnology to analyze relationships between specific genes and longevity in this video from NOVA scienceNOW. While mutations in specific genes seem to provide some groups of people with built-in protection against age-related disorders such as diabetes and heart disease, the amount of food one eats may also promote longevity by triggering a family of genes called sirtuins into action. Researchers are looking to develop drugs that will ward off disease and thereby promote longer life.
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