NEW WAYS OF MEASURING AGING. “Hand-grip strength is an amazingly good predictor of future rates of mortality and morbidity, or sickness. It’s been measured for individuals in surveys across the world. We now have comparable data on about 50,000 people from the U.S., many European countries, Japan, South Korea, China. A substantial body of research suggests that this can be used as a reliable predictor of aging.” In that case, my Rippetoe workouts have me reverse-aging. Cool.