| http://www.w3.org/ns/prov#value | - ) AIDS is new in America, because AIDS is a consequence of the recreational drug use epidemic that started in the 1960s, and of AZT prescriptions that started in 1987; (5) AIDS occurs only in a small fraction of recreational drug users, because only the highest life-time dose of drugs causes irreversible AIDS-defining diseases - likewise only the heaviest smokers get emphysema or lung cancer; (6)
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