SHR # 2928:: 80 Year Harvard Study Reveals the Key to Healthy Aging; Carl's Thoughts - One of e longest-running, largest studies in the world has a surprising secret. The one thing that is the greatest predictor of health span and life span. You can leverage this immediately. But do you have the courage to? - STUDY - https://www.adultdevelopmentstudy.org/ - https://news.harvard.edu/gazette/stor - orig. air date Oct. 2018 - View and download all shows at https://superhumanradio.net - Visit us on Instagram: @superhumanradio - Support SHR - https://superhumanradio.net/make-a-donation