If we are lucky, we are all going to get a lot older, but experts say with a few commonsense adjustments, we can live healthier, more productive lives than our grandparents or even parents. Moreover, it is worth our while to plan for a long life as mortality rates have raised from just an average age of 47 for men and women in 1900 to older adults routinely reaching their eighties, nineties and upward. In fact, studies report it is possible to grow older without a significant decline in health. Linda Fried, dean of the Columbia University Mailman School of Public Health and director of the Robert Butler Columbia Aging Center, says, “The idea that living longer necessarily means enduring significant declines in health has changed in the last two decades.” She adds, “It’s possible to increase your health span as long as your life span. Some decline in health and function is inevitable. But the image that older life is about decrepitude turns out not to be right.” Spending dec...