The editors at AARP have filtered through numerous medical journals and studies to identify the best actions you can take to achieve a longer, fuller life. We know there are no guarantees. But genetics account for just 25 percent of a person’s longevity. The rest is up to you. With this collection of some of the most important longevity findings, you’ll have the road map you need to get to 80, 90, 100 or beyond.