How can race be a cause of something like asthma?

Though I've posed this posting around the question of "race and asthma," the question here isn't really about public health. It is rather concerned with the general question, how can a group characteristic be a causal factor in enhancing some other group characteristic? Suppose the facts are these: that African-Americans have a higher probability of …

Racial inequalities as a social science research topic

W. E. B. Dubois described the problem of the twentieth century as the problem of the color line. He was right -- except in his expectation that the problem would be resolved within the century. It has not been resolved. American cities from east to west show the encrusted social residues of racism, racial discrimination, …