-But how does Samuel _know_ this? I agree that an accumulation of factors from centuries of systemic racism is almost certainly going to be a significant _part_ the explanation for the observed differences. But the claim that "there's _nothing_ about being Black, in and of itself" (emphasis mine) affecting susceptibility to this disease is a _much_ stronger assertion, one that I think has a substantial probability of being false, if it turns out that one of the various minor ways in which humans vary by genetic ancestry happens to be relevant to the progression of this particular disease.
+But how does Samuel _know_ this? I agree that an accumulation of factors from centuries of systemic racism is almost certainly going to be a significant _part_ the explanation for the observed differences. But the claim that "there's _nothing_ about being Black, in and of itself" (emphasis mine) affecting susceptibility to this disease is a _much_ stronger assertion—one that I think has a substantial probability of being false, if it turns out that one of the various minor ways in which humans vary by genetic ancestry happens to be relevant to the progression of this particular disease.