How Old Do You Have To Be To Buy A Vape (Age Restrictions & State Laws) Legal Age to Vape in the UK Explained Teens Are 'Juuling' At School. Here's What That Means Smoke shops roll out changes as legal smoking age officially climbs to 21 Orange County Register PRESS RELEASE: Sales of vapes containing THC and possession of vapes with THC being investigated at three schools On February 27, staff at Robert E. Stethem Educational Center discovered an 18 year old student