11.   But McCaffrey is worried about the effect medical marijuana will have on drug use among teen-agers.

12.   But the federal government seldom prosecutes medical marijuana users because the quantities are small and juries tend to sympathize with seriously ill individuals.

13.   But the defendants maintained they were growing the plants for personal use and for a book McCormick was writing about medical marijuana.

14.   But when California and other states began to pass medical marijuana laws, the Clinton administration panicked.

15.   Cannabis advocates hailed the new medical marijuana policy as a significant first step.

16.   City officials and medical marijuana advocates say people who need the substance also need to be free of police scrutiny.

17.   Dalton exhaling after consuming a dose of medical marijuana.

18.   Even more appropriately, the newspaper is situated only a few floors above a medical marijuana club.

19.   Ever since, drug-war stalwarts have been arguing that medical marijuana is a diversion in a campaign to slip in legalization through the back door.

20.   Federal prosecutors charge he was conspiring to sell it along with his codefendants, all of them users of medical marijuana.