Valter Longo has been studying longevity in Italy for nearly 20 years, but having grown up in regions like Molochio, Calabria, he would say he's been interested in how to live longer basically all of his life. In 1989, Longo officially started researching what it takes to make it to age 100 and beyond. Now, he's the director of the Longevity and Cancer Laboratory at the IFOM Institute of Molecular Oncology in Milan, Italy. Longo is also the director of the Longevity Institute of the Leonard Davis School of Gerontology at the University of Southern California-Los Angeles. Here's what Longo says is the best way to eat for longevity.

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Persons: Valter Longo, he's, Longo, Dan Buettner Organizations: Cancer Laboratory, IFOM, Molecular Oncology, Longevity, Leonard Davis School of Gerontology, University of Southern, University of Southern California -, Longo's Locations: Italy, Molochio, Calabria, Milan, University of Southern California, University of Southern California - Los Angeles, Sardinia