Lloyd Johnston Quotes
What is significant is that the use of these substances has declined substantially since the recent peak levels reached in the mid-1990s. 
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Significant | Substances | Declined | Substantially | Peak |
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Eighth-graders tend to be the first ones to show new trends. Most are blank slates and haven't developed habits and are more sensitive to environmental changes. As these eighth graders move up the age spectrum, the high school teenage smoking trends will follow.
- Lloyd Johnston
