“Longevity Genes” -Why Some of Us Live Longer

“Longevity Genes” -Why Some of Us Live Longer: "Scientists have long been baffled as to why some people live so much longer than others. Diet and exercise account for some of it, but researchers have found that genetics also factor heavily into the equation, and that long life is somewhat hereditary as it is with living bristlecone pine that were alive when Caesar ruled Rome."