article_snippet: A stock image of a young drink driver is shown .
article_snippet: Up until the 16th birthday, it is all positive,’ he said.
article_snippet: They are doing better, relative to They classmates, by every measure. '
article_snippet: It makes sense, because They are more mature.
article_snippet: However, after the age of 16, the picture shifts.
article_snippet: For a lot of adolescents, high school is a drag.