We technically do not know, > "We haven't developed the data yet to say that it's clearly dangerous, but it probably is," says Dr. Hays. [1]: https://newsnetw

We technically do not know, > "We haven't developed the data yet to say that it's clearly dangerous, but it probably is," says Dr. Hays. [1]: https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-minute-secondhand-electronic-cigarette-smoke/ https://newsnetwork.mayoclinic.org/discussion/mayo-clinic-mi...