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eBook details

• Title: Calories and Longevity: Do They Really Matter?(Report)
• Author : Forum on Public Policy: A Journal of the Oxford Round Table
• Release Date : January 22, 2006
• Genre: Law,Books,Professional & Technical,
• Pages : * pages
• Size : 270 KB

Description

Abstract Calorie restriction extends the life span of laboratory animals, and now scientists are beginning to discover the molecular basis for this phenomenon. The findings so far indicate that there are genes that respond to stressors (like calorie restriction) by turning on cell survival mechanisms. Outright skeptics of calorie restriction argue that the practice will not work in humans, while those more dubious contend that if the practice works at all, the addition of time to the life span will be minimal compared with the sacrifices endured by adhering to such a rigid dietary regimen. In fact, several studies have indicated that those classified as overweight (according to body mass index) have at least as low a risk of premature death as those of normal weight, and despite the "obesity epidemic" in the United States, life expectancy continues to rise. Nevertheless, the goal of scientists is to devise ways to target the newfound "longevity genes" in order to achieve the alleged life-extending effects without actually restricting calories. So, does longevity depend on eating less or eating more, or maybe in the future, taking a pill? Science and society are precariously close to seeking longevity simply for longevity's sake. Where does happiness fit into the equation?

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