Toxic metals are found in e-cigarette by a recent study

by Jared Lewis February 26, 2018, 1:51
Toxic metals are found in e-cigarette by a recent study

But another analysis of previous studies on heavy metals in e-cigarettes published in 2015 concluded that, with normal use, levels of toxic metals are generally well below unsafe levels. Now a new study from Johns Hopkins University in Baltimore finds some e-cigarettes are leaking toxic heavy metals into the vapor users are inhaling. During the study, a highly toxic metal is also found in the e-liquid tank, e-refill and in the aerosol samples as well.

Once the liquid is heated, scientists found high levels of lead, chromium, nickel, manganese, and zinc.

The study was small, Forbes said.

Experts from Johns Hopkins University school of general health looked at vaping devices owned by 56 users. The researchers then asked to test the levels of toxic metals in the users' e-liquid before it had been put into the device, the e-liquid in the storage tank of the device, and in the vapor that came out of the device. It turns out even the liquid used in the e-cigs contains traces of arsenic, which raises questions of why for those who are trying to quit smoking it is necessary to be intaking the main toxic (found in cigarettes) even in the shape of a vape?

Ana Maria Rule, who is an assistant scientist in the Bloomberg School's Department of Environmental Health and Engineering and also the senior author of the study says,"It's important for the FDA, the e-cigarette companies, and vapers themselves to know that these heating coils, as now made, seem to be leaking toxic metals, which then get into the aerosols that vapers inhale".

Long-term exposure to lead, chromium, manganese and nickel can cause damage to the lungs, liver, heart, brain and immune system - as well as cancer. E-cigarette companies have often touted the devices as less risky than regular cigarettes.

The study appears online in the journal Environmental Health Perspectives.

The source of the lead isn't known, although e-cigarette heating coils typically contain nickel and chromium, among other elements.

The researchers called on the US Food and Drugs Administration (FDA) to regulate the devices. The heat generates aerosol, which is a mix of vapors and tiny droplets formed from the e-liquid.

The update about the harmful toxic metal in these e-cigarettes can now be a reason for FDA to work on the usage.

The question is whether exposure to those toxic metals, at the level found in normal, everyday e-cigarette use, is unsafe. And several studies have shown that vaping is far healthier than smoking.

A new recently published study on the Environmental Health Perspectives portal reveals that the electronic cigarettes are not totally free of risks and suggests that the very act of vaporizing can expose people to risky levels of toxic metals such as lead and arsenic.

"Metal Concentrations in e-Cigarette Liquid and Aerosol Samples: The Contribution of Metallic Coils" was written by Pablo Olmedo, Walter Goessler, Stefan Tanda, Maria Grau-Perez, Stephanie Jarmul, Angela Aherrera, Rui Chen, Markus Hilpert, Joanna E. Cohen, Ana Navas-Acien, and Ana M. Rule.


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