“I find almost no role of financial anything in the onset of
disease,” Dr. Smith says. “That’s an almost throw-you-out-of-the-room
thing,” he confesses, but the data, he and other economists insist, is
Income, says Dr. Preston, “is so heavily influenced by health itself.”
Here is more. The main point of the article is that education is strongly correlated with better health outcomes, although the author too quickly assumes a causal connection. For instance education may signal rather than cause low time preference and thus responsible behavior. In a slightly different health context, here is Jane Galt on causation vs. correlation. Is it worse to be overweight, or not to exercise much?