Add Yahoo as a preferred source to see more of our stories on Google. Crack emerged in the Americas in the late 1970s as a relatively cheap and transportable form of cocaine that could be more easily ...

Add Yahoo as a preferred source to see more of our stories on Google. Crack emerged in the Americas in the late 1970s as a relatively cheap and transportable form of cocaine that could be more easily ...

There have long been scare stories about drugs so we need to be careful when interpreting new drug use data. But recent reports suggest that crack cocaine use is on the rise again. Crack emerged in ...