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The original was posted on /r/todayilearned by /u/ffeinted on 2025-04-26 19:53:05+00:00.

Original Title: TIL that after the Bayer pharmaceutical company found new ways to make diacetylmorphine, they marketed it under the trademarked name ‘Heroin’ and sold over-the-counter as a less addictive version of morphine.