In the early 20th century the American South was ravaged by pellagra, a nasty disease that produced the “four Ds” — dermatitis, diarrhea, dementia and death. At first, pellagra’s nature was uncertain, but by 1915 Dr. Joseph Goldberger, a Hungarian immigrant employed by the federal government, had conclusively shown that it was caused by nutritional […]

via “we’re still losing around 600 Americans per day — that is, we’re experiencing the equivalent of six 9/11s every month” — Art of Quotation