In 2009, my family captured a five-generation photo: five children (ages 5, 2, 2, 2, and 2), myself (age 26), my mother (age 55), my grandfather (age 79), and my great-grandmother (age 107). Although my great-grandmother passed away at almost 108 years old, my grandfather, her son, is now 93 and maintains an active lifestyle, walking several miles a day and hitting the gym weekly. Did I inherit good genes, or did lifestyle choices contribute to my ancestors' longevity? What dietary practices ...
