Dear Readers, Did you know that Heroin (diamorphine) used to be a legal medication about 100 years ago? It was invented by Bayer; a German company that also invented Aspirin at the end of the twentieth century, one of the most important discoveries at that time. Heroin was prescribed by medical doctors all over the United States and Europe as cough suppressant for those having a bad cough and experiencing pain. Bayer Aspirin is up to day a well known medication in US households. Diamorphine (h.