Among 3.2 million people who starting opioids, there were 506 573 serious fall, esp w/ increasing age; Opioid use associated with increased risk of serious falls, esp. if >85 yrs (adj IRR 6.35) and within the first 28 days of commencing opioid use https://t.co/IifmEE9Q5n https://t.co/N2PkLofA4r