IE 11 is not supported. For an optimal experience visit our site on another browser.

Teenagers vaping marijuana at higher rates than ever before, new study says

01:15

The percentage of high school seniors vaping marijuana nearly doubled over the past year, according to a new study using self-reported data from more than 42,000 teenagers. The numbers are alarming to health officials, as vaping lung illness has been linked to 2,400 hospitalizations and 52 deaths.