However, Strongin remains concerned about the public health implications of their findings, saying, In 2016, more than 9 million Americans were current e-cigarette users, including more than 2 million United States middle and high school students. It is thus concerning if even a minority of users cannot properly control e-cigarette-derived intake of formaldehyde and related toxins. Robert Strongin
Individuals with a history of vaping who are experiencing breathing problems should seek medical care right away
For people with genetic variants that cause more of an impact on CYP1B1 upregulation combined with an inability to eliminate the estrogen metabolites fast enough (due to phase II genes, diet, and lifestyle) then cigarette smoking is going to significantly increase the bad estrogen metabolites
What you can do, or cannot do, to them is mandated
offers various varieties and nicotine strengths