In most of Europe, the rates of smoking initiation among older teens have declined since the 1970s, while "new smoker" rates among younger teens have risen in recent years, according to a study [...] The ALEC study pooled data from six multicenter studies, including 119,104 people from 17 countries. Information on smoking was retrospectively obtained from participants, who answered questions including "Are you a smoker," "Have you ever smoked for as long as a year?" and "How old were you when you started smoking?" [...]