He was in a Hennepin County jail (Minneapolis) at one point for several days. He has polycystic kidney disease, a genetic cause of renal failure, and the jail diet was slowly killing him. Multiple dignitaries including Gov. Walz had to get on the phone to save him. He's talked about how he enjoys the camaraderie of the protests so much, he doesn't feel the weight of his medical problems while he's out there. But he is putting his life at risk to resist.