I guess when I had the vid at the end of 2020 is when my body said a big ol eff this. I've had AS for years, apparently, with a last known flare up probably 10+ years ago. I was vegan for roughly four years. My dr last year asked me to change my diet when I tested as Vitamin D deficient. She thought it was my diet....it wasn't. Even with a plant-based diet, my pain did NOT improve.