I don't know, the rural poor in America used to all get malaria and intestinal parasites, and now they don't anymore. And it's rare now to lose a child to disea

I don't know, the rural poor in America used to all get malaria and intestinal parasites, and now they don't anymore. And it's rare now to lose a child to disease, where it used to be normal. Our current rosy view of nature is skewed by the fact that so many generations of people worked to rid ourselves of its worst shortcomings, and largely succeeded.