Smoking e-cigarettes at a higher voltage can can people to have more exposure to formaldehyde, according to a recent study published in the New England Journal of Medicine. Researchers from Portland State University took flavored nicotine liquid made by Halo Cigs and tested it in a personal vaporizer from Innokin. The vaporizer allows consumers to adjust the voltage from 3.3V to 5.0V. The higher the voltage the greater the nicotine kick, but also the greater the amount of formaldehyde. Inhaled as a gas, formaldehyde has been linked to an increased risk of nasopharyngeal cancer and leukemia. Researchers concluded that the life-time risk of developing formaldehyde-related cancer was roughly 1 in 200 for high-voltage e-cigarettes versus 1 in 1,000 for cigarettes – at least five times higher. They found no increased risk for people smoking at a low voltage. What are you thoughts on smoking cigarettes vs. e-cigarettes? How often do you counsel patients about e-cigarettes?
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