I’d say that the Spanish clinical trial does point towards causality. They gave a randomized group of patients Vitamin D and compared the outcomes. Correct me i

I’d say that the Spanish clinical trial does point towards causality. They gave a randomized group of patients Vitamin D and compared the outcomes. Correct me if I’m wrong but that seems like the best way to test for causality. https://www.sciencedirect.com/science/article/pii/S0960076020302764 https://www.sciencedirect.com/science/article/pii/S096007602...