More people are staying fit and active at ages that used to be considered old. Many people these youthful levels of activity are possible.
Joan Young is a 75-year-old Michigan resident who has hiked the 4,800-mile North Country National Scenic Trail twice. She has written two books about her experiences.
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Joan Young (75) has hiked the 4,800-mile North Country National Scenic Trail—twice. Here is her firsthand account.