Science

VIDEO: Eating less to live longer

About 200 human guinea pigs are testing the theory that simply eating less could add years of life.

About 200 human guinea pigs are testing the theory that simply eating less could add years of life.

Animal studies suggest that restricting calories by 25 per cent can almost double a creature's lifespan. So far, tests in humans have shown improvements in immune function and researchers in the U.S. expect to show that eating less will actually slow the aging process.

But is it worth it? CBC's Kelly Crowe explores the dilemma.

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