The use of cannabis for headaches these days is common, at least here in Colorado and other states with medical marijuana laws are in place (and plenty where medical pot isn't legal, for that matter).
But in 1907, cannabis was beginning to be seen as an adulterant in medicines. Many ads for drugs, like the one we found for Dr. Miles' Pain Pills, advertised their lack of cannabis as an advantage over the competition. Their drugs were safer, they said, because the medication didn't have any pot in them. But looking back now, it's clear that wasn't the case at all.More »