I believe that such a modified, randomized clinical study is essential to add another line of evidence with which to evaluate the potential benefits of electronic cigarettes. Yes, there are limitations to RCTs, but it makes no sense to throw out the baby with the bath water.

There are three major findings -- all preliminary -- from this study.

In addition to ensuring basic safety, such regulations would also address issues such as the presence of formaldehyde in some e-cigarette brands and would regulate the product to minimize the known harmful by-products which have been identified in some e-cigarettes. These by-products are avoidable. We know this because some brands on the market (such as Vuse and NJOY) have been tested and shown to have no detectable/quantifiable levels of any hazardous byproducts.

Specifically, the survey of 2,000 11-18 year-olds in 2014 found that:

The Rest of the Story

LAST：New arrival 6.0mL kanger aerotank atomizer kanger aerotank turbo |NEXT：2015 new waterproof mechanical mod elvt mod e cig elvt vv vw e-lvt