31.   Weather reports sometimes carry warnings of air pollution, and the worst times tend to be hot, hazy summer days.

32.   Wine bottles already carry government warnings about the dangers of alcohol consumption for pregnant women and drivers.

33.   Accutane also has been linked to birth defects and carries strong warnings for women who use it.

34.   Cigarette packs carry health warnings, and print and broadcast advertising is banned.

35.   Droperidol has long carried a warning that it could cause sudden cardiac death at high doses in patients at risk of irregular heartbeats.

36.   Every statin has been linked to rare reports of a muscle side effect, and their labels carry that warning.

37.   It also said labels of foods in which the presence of gene-modified U.S. soybeans and corn cannot be excluded must carry a warning to that effect.

38.   Ritalin also carries a warning about potential psychosis in extremely rare cases.

39.   Some experts hailed the study as good news that also carries a warning.

40.   Such ads must carry warnings that smoking is harmful to health, Li said.