Chris Crowley has experience in aging gracefully. In fact, he’s effectively written the book(s) on it. He started the Younger Next Year book series and for each of these books he partners with another expert. This time, Chris is back with Dr. Jeremy James of the Aspen Club Back Institute and backforever.com and they’ve co-authored The Younger Next Year Back Book: The Whole-Body Plan to Conquer Back Pain Forever.