#ACR21 #ACRAmbassador Fascinating analysis of rheum dx from the (negative!) VITAL study (https://t.co/aMtMCIf1F1) Very few pts 278/25,871 (1.1%) but HR 0.78, p = 0.045 for vitamin D preventing autoimmune disease Do you believe it? If so, what's your public policy advice? https://t.co/ZkO5nHAJz9