sell -- >> you don't know if it's safe now. >> public health england, royal college of physicians have both stated through great research that vaping, they have estimated at least 95% less dangerous than smoking. and even the food and drug administration came out and said that an adult smoker who switches to vaping is greatly benefiting their health. the fda released a warning about vaping thc. they did not release a warning pointing to nicotine products, contaminated thc oils. >> this is new territory. there are studies that are inconsistent. nobody says vaping is safe. they are comparing it to one of the most deadly addictions in the history of mankind. it's like saying -- >> that is the addiction that killed 57,000 people in the last 44 days. >> it won't hurt you -- >> you can draw whatever silly analogies you want. >> silly analogy. is it safe? >> 480,000 adult smokers will