The UN is to release a report on the fight against illegal drugs like cocaine, hallucinogens and heroin on Thursday.<br /><br />In the US, government surveys have found that hospital admissions for drug abuse have trippled in the past decade. <br /><br />However, it is the abuse of prescription medication that has begun to cause more worry in the US. <br /><br />Al Jazeera's Tom Ackerman reports from Virginia, USA.
