21.   At the same time, drug use among young people is on the rise, he said.

22.   -- Regulation of advertising to eliminate features that encourage initiation of tobacco use among the young.

23.   Advocates of strict marijuana prohibition claim ambiguous messages from parents have contributed to rising marijuana use among teenagers.

24.   Actual drug use among inner-city kids is down, and proportionately fewer African-American kids use drugs than whites.

25.   After years of declining alcohol use among teens, this year showed a reversal, said Lloyd Johnston, chief investigator for the project.

26.   Also, the two Cabinet members noted, illegal drug use among all ages remained about the same last year from the year before.

27.   But drug use among children is up.

28.   But he never called for its abolition and did not ban its use among federal law enforcement agencies like the U.S. Customs Service.

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

30.   Cigarette use among teenage whites remained level.