Although vapes have not been around long enough to yield long-term safety data, known risks associated with their ingredients ...

Bronchiolitis obliterans, commonly known as "popcorn lung," is a rare lung disease that happens when the smallest airways in your lungs (called bronchioles) become irreversibly inflamed and scarred.

While there has been concern about the use of diacetyl in e-liquid, Cancer Research UK said in 2018 there was "no good evidence" that vaping might cause "popcorn lung". The boy's doctors say there ...