Category Archives: e-cigarettes

Harmful metals found in vapors from tank-style electronic cigarettes

I have written about the dangers of smoking regular cigarettes for years. Smoking E-cigarettes is widely believed to reduce the damage to our systems compared with that of tobacco smokes. However, the tank-style ones may actually be more harmful.

A team of scientists at the University of California, Riverside, has found the concentration of metals in electronic cigarette aerosols — or vapor — has increased since tank-style electronic cigarettes were introduced in 2013.

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Electronic cigarettes, which consist of a battery, atomizing unit, and refill fluid, are now available in new tank-style designs, equipped with more powerful batteries and larger capacity reservoirs for storing more refill fluid. But the high-power batteries and atomizers used in these new styles can alter the metal concentrations that transfer into the aerosol.

“These tank-style e-cigarettes operate at higher voltage and power, resulting in higher concentrations of metals, such as lead, nickel, iron, and copper, in their aerosols,” said Monique Williams, a postdoctoral researcher in the Department of Molecular, Cell, and Systems Biology, and the first author of the research paper that appears today in Scientific Reports. “Most of the metals in e-cigarette aerosols likely come from the nichrome wire, tin solder joints, brass clamps, insulating sheaths, and wicks — components of the atomizer unit.” Continue reading

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