The Trump administration announced a new policy that will soon forbid the sale of some, but not all, flavored vapes. We explain the new policy and review the scientific evidence on whether e-cigarettes are likely to have a positive or negative impact on public health.
Q: Have scientists confirmed that e-cigarettes cause an incurable respiratory disease called “popcorn lung”?
A: No. The vapor of some e-cigarettes contains a chemical associated with popcorn lung, and a case report suggests a possible link. But there’s not enough evidence to conclude the vapors cause the disease.