Trueba et al. also found that higher depressive mood was associated with greater reductions in exhaled nitric oxide.

Of course, this is the same thing as stating that cigarette smoking may be no worse than vaping in terms of its effects on pulmonary function.

In addition, the authors concluded that: thirdhand smoke exposure among children causes "multiple short-term and longer health problems, many of which maynot manifest fully until later in life."

A scientific review on electronic cigarettes was published by Stan Glantz and colleagues this week in the journal Circulation.

For example, Stan Glantz argued against electronic cigarettes in a Scientific American , claiming that: "We’ve found very high levels of dual use [traditional cigarettes along with e-cigarette use]. Very few people have switched away from cigarettes or managed to use them as a bridge to eventually go off cigarettes."

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