How Old Do You Have to Be to Vape? A Global Look at Vaping Age Restrictions and Laws Tastefog Where to Buy a Vape Online without ID or Signature Required? How Old Do You Have To Be To Buy A Vape (Age Restrictions & State Laws) A 22 year old who started vaping at age 15 has been given just 18 months to live, with doctors saying her lungs now resemble those of an 80 year old. 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