Aging really is 'in your head:' Scientists answer hotly debated questions about how calorie restriction delays aging process

[unable to retrieve full-text content]Among scientists, the role of proteins called sirtuins in enhancing longevity has been hotly debated, driven by contradictory results from many different scientists. But new research may settle the dispute.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/4UoBqOaUe0U/130903123041.htm

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