👉 Opiumisms are a type of ideology that emphasizes the role and importance of opium, which is a highly addictive drug. This ideology was popularized in the 19th century by British pharmacologist and scientist William Harvey, who believed that opium could be used to treat various ailments. The term "opiumism" has been used as a derogatory term for this ideology, with some people equating it with the more positive term "opium use." Opium is considered to