Did heroin injection exist in 1900?

Yes, the German pharmaceutical company Bayer invented heroin by adding 2 acetyl groups to morphine, and a year later by another acetyl derivative named Aspirin. read more

In 1930 heroin had become a problem and was made illegal, driving the drug underground to the black market, bringing out the criminal element, and the rest is history. read more

While heroin was first derived at about this time by boiling morphine, it would be a while before it too would become a popular drug. At the end of the 19th century in both America and Britain, opium and morphine were popular for medical and recreational purposes. read more