>One of the most productive engineers I knew (who I’m guessing will read this) was in his 60s when I met him. When I visited a hospital recently, the healthies

>One of the most productive engineers I knew (who I’m guessing will read this) was in his 60s when I met him. When I visited a hospital recently, the healthiest-looking person in the 106 years old. I know it because the nurse was super excited talking to her and asking if there is any special secret to staying healthy that long. Statistically, though, the health does degrade with age. Outliers and anecdata are good for storytelling and inspiration, but the type of data you want to use for decision making is relative probabilities on a statistically significant set.