President Obama says the United States must reduce its demand for drugs and do its part to reduce the flow of guns and money to Mexico.

VOA: special.2009.04.18

And crucially, these drugs do not seem to have the same potential to become addictive, the way narcotics do.

VOA: standard.2010.05.04

Hargreaves and his team are already in the process of developing two classes of drugs that do just that.

VOA: standard.2010.05.04