E-cigarettes are a relatively new tobacco product that have been sold in
the U.S. for about a decade The e-cigarettes currently in the U.S.
marketplace have not been systemically reviewed by the Food and Drug
Administration to determine their impact on lung health. While much
remains to be determined about the lasting health consequences of these
products, the American Lung Association is very troubled by the evolving
evidence about the impact of e-cigarettes on the lungs.To get more news
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In January 2018, the National Academies of Science, Engineering and
Medicine1 released a consensus study report that reviewed over 800
different studies.



That report made clear: using e-cigarettes causes health risks. It
concluded that e-cigarettes both contain and emit a number of
potentially toxic substances. The Academies' report also states there is
moderate evidence that youth who use e-cigarettes are at increased risk
for cough and wheezing and an increase in asthma exacerbations.



A study from the University of North Carolina found that the two
primary ingredients found in e-cigarettes—propylene glycol and vegetable
glycerin—are toxic to cells and that the more ingredients in an
e-liquid, the greater the toxicity.2

E-cigarettes produce a number of dangerous chemicals including
acetaldehyde, acrolein, and formaldehyde. These aldehydes can cause lung
disease, as well as cardiovascular (heart) disease.3

E-cigarettes also contain acrolein, a herbicide primarily used to
kill weeds. It can cause acute lung injury and COPD and may cause asthma
and lung cancer.4

Both the U.S. Surgeon General and the National Academies of Science,
Engineering and Medicine have warned about the risks of inhaling
secondhand e-cigarette emissions, which are created when an e-cigarette
user exhales the chemical cocktail created by e-cigarettes.

In 2016, the Surgeon General concluded that secondhand emissions
contain, "nicotine; ultrafine particles; flavorings such as diacetyl, a
chemical linked to serious lung disease; volatile organic compounds such
as benzene, which is found in car exhaust; and heavy metals, such as
nickel, tin, and lead."

The Food and Drug Administration has not found any e-cigarette to be
safe and effective in helping smokers quit. If smokers are ready to
quit smoking for good, they should call 1-800-QUIT NOW or talk with
their doctor about finding the best way to quit using proven methods and
FDA-approved treatments and counseling.