Like any serious conversation, timing is important when it comes to talking to your kid about vaping.

Officials say the use of e-cigarettes is on the rise among teens, prompting a group of students and doctors in Calgary to push the government for change.

Parents and doctors questioning teens about whether they smoke should also be asking if they're using e-cigarettes, which could be a gateway to nicotine addiction later on, says a pediatrician who led a new study.