And this is why the FDA banned sneezing powder in 1919

Not all mysteries in the world lead to glorious revelations. Some of them are a bit more humble. One enduring scientific mystery is the earliest form of sneezing powder. A fortune was built on this special formula, but when it was found to be toxic, it was recalled. Its inventor refused to ever identify what it was,… » 1/18/13 5:00pm 1/18/13 5:00pm