This documentary by Mark Wexler deals with the sometimes scary topic of aging. It presents people in various stages of life and interviews gerontologists, scientific researchers and others involved in final life matters. More well-known interviewees include Jack LaLanne, Ray Bradbury and Suzanne Somers. One subject nears her 114th birthday and earns a Guinness World Record. From Japan to Iceland, some of the world’s hot spots with unusually older population statistics are revealed along with possible causes for increased longevity in those areas. How to Live Forever is entertaining for adults of any age and the plethora of ideas presented from laughter theory to diet guarantees you’ll find something of interest.