['to', 'smoke', 'support', 'the', 'contention', 'that', 'knowledge', 'of', 'anti-', 'smoking', 'information', 'does', 'not', 'deter', 'individuals', 'from', 'adopting', 'and.', 'continuing', 'the', 'custom.', 'The', '1979', 'United', 'States', 'Surgeon', "General's", 'Report', 'supports', 'such', 'a.', 'conclusion:', '“It', 'is', 'futile', 'to', 'continue', 'to', 'tell', 'teenagers', 'that', 'smoking', 'is', 'harmful', 'and', 'that', 'they', "shouldn't", 'do', 'it.', 'They', 'know', 'that', 'it', 'is', 'harmfu1."®', 'The', 'report', 'continues:', '"By', 'the', 'time', 'they', 'reach', 'the', 'seventh', 'grade,', 'the', 'vast', 'majority', 'of', 'children', 'believe:', 'smoking', 'is', 'dangerous', 'to', "one's", 'health."”', 'In', 'short,', 'in', 'the', 'opinion', 'of', 'objective', 'behavioral', 'scientists,', 'anti-smoking', 'campaigns', 'and', 'warning', 'labels', 'have', 'not', 'achieved', 'their', 'intended', 'purpose.', 'Thus,', 'it', 'would', 'seem', 'that', 'use', 'of', 'such', 'labels', 'warrants', 'caution.', 'Governmental', 'Policy', 'on', 'Labels', 'Inconsistent', 'and', 'Contradictory', '}', 'Broad', 'differences', 'in', 'the', 'requirements:', 'and', 'specific', 'wording', 'of', 'warning', 'labels', 'in', 'various', 'countries', 'also', 'appear', 'to', 'indicate', 'that', 'there', 'is', 'a', 'lack', 'of', 'agreement', 'about', 'their', 'usage', 'and', 'effectiveness.', 'Sweden', 'requires', 'that', 'sixteen', 'different', 'warnings', 'be', 'printed', 'at', 'alternate', 'times', 'on', 'cigarette', 'packages.', 'Some', 'are', 'vague:', '"Smokers', 'have', 'more', 'sickness:', 'than', 'nonsmokers,"', 'while', 'others', 'are', 'more', 'explicit:', '"Smokers', 'run', '£', 'an', 'increased', 'risk', 'of', 'heart', 'attacks', 'and', 'certain', 'diseases', 'of', '=', '©:', '@', 'C1', 'S', '_', 'oe)', 'a)', 'a', '(om)', 'Lom', '@', ' ']