Researcher expresses health concerns over e-cigarettes

E-cigarettes are battery-powered devices that convert liquid nicotine into a vapor the user inhales.
BY GREG ELWELL Published: January 28, 2014
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Gov. Mary Fallin signed an executive order banning the use of e-cigarettes on state-owned and state-leased properties starting Jan. 1, citing chemicals in the vapor that could affect state employees and visitors.

“There's a lot we still don't know about e-cigarettes,” said Eliza Chakravarty, M.D., an Oklahoma Medical Research Foundation scientist. “Compared to smoking or chewing tobacco, e-cigarettes are almost definitely safer. But saying something is healthier than tobacco isn't exactly clearing a high bar.”

According to the Centers for Disease Control and Prevention, tobacco use accounts for more deaths each year than HIV, car crashes, illegal drug use, suicides and murders combined. People who smoke cigarettes are at a higher risk for diabetes, heart disease, stroke and cancers of the lungs, stomach, pancreas, kidney, bladder and more.

E-cigarettes are battery-powered devices that convert nicotine-infused liquid into a vapor the user inhales. They don't contain the harmful chemicals associated with smoking tobacco, including carbon monoxide and tar.

“The problem with e-cigarettes is there's no regulation. Very little research has been done, and we don't know what's in them,” Chakravarty said. “And the lungs are an incredible delivery system, which means if there's something dangerous being vaporized, it can be distributed throughout the body very easily.”

Nicotine isn't harmless itself, she said. In addition to being addictive, it can adversely affect people with heart problems and, over the long term, it could cause an increase in low-density lipoproteins (LDL), also known as the “bad” cholesterol.

The ease of use and lack of oversight could also lead e-cigarette users to overindulge, she said.

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