Who Quotes
Five years earlier, the World Health Organization classified homosexuality as a mental disease. When he made this statement, Guterres went against his own political party and most public opinion in Portugal. Two decades later, when he was elected Secretary General of the United Nations, he had flip-flopped on the homosexuality issue.
This is one of the most important principles of public health. Curing a patient must be done one at a time—retail where someone must intervene with a single patient. But prevention, assuring clean air and water, eliminating smoking in public places, banning paint with lead, persuading people to drink less alcohol—all these examples can be done on a mass level and effect multitudes—wholesale.
See {637149} for a fuller explanation and definition of DURC.