NHANES US population survey of 3101 adults (age 50yrs) wearing accelerometer in 2005 - looked at mortality in 2019. Compared to non-walkers (<8000 steps), mortality signif lower for walkers (> 8000 steps) 1-2 days/wk (−15%) or 3 - 7 days/wk (−16.5%) https://t.co/o8ved3gfsW https://t.co/pHAOYO6I2X