1.   Brookes said he classified hard drugs such as cocaine as addictive.

2.   Other drugs are classified under the other three schedules by their decreasing potential for abuse.

3.   The Supreme Court handed medical marijuana users a major defeat Monday, ruling that a federal law classifying the drug as illegal has no exception for ill patients.

4.   The U.S. Supreme Court ruled last month that a federal law classifying the drug as illegal includes no exception for medical uses.

5.   The drug is classified as a stimulant, and its side-effects sometimes mimic the effect of amphetamines.