Comprehensive Review Published On Vaping And Respiratory Effects

Four scientists from four leading universities in the United States conducted a comprehensive review of all e-cigarette/vaping peer-reviewed scientific papers that pertain to the lungs and published their findings today in the British Medical Journal.

Corresponding author Rob Tarran, Ph.D., professor of cell biology and physiology and member of the UNC Marsico Lung Institute, said, "Studies show measurable adverse biologic effects on lung health and cells in humans, in animals, and in tissue samples studied in the lab. The effects of e-cigarettes have similarities to those seen in traditional cigarettes and important differences."

Doctors know that the development of chronic, life-threatening diseases related to cigarette smoking, such as lung cancer and emphysema, take decades to develop.

Also, it took decades to scientifically prove that smoking cigarettes caused cancer. Vaping has been popular for about 10 years. Scientists have been studying the effects of e-cigarettes for about five years. What they've found suggests that vaping is not without effects. It is not "safe."

"The scientific community's current knowledge is insufficient to determine whether the respiratory health effects of e-cigarettes are less than the now obvious health effects of combustible tobacco products," said Tarran, who is also a member of the UNC Lineberger Comprehensive Cancer Center.

The other authors of the BMJ paper are Jeffrey Gotts, MD, Ph.D., assistant professor of medicine at the University of California-San Francisco, Sven-Eric Jordt, Ph.D., associate professor of anesthesiology at Duke University with an adjunct appointment at Yale University, and Rob McConnell, MD, professor of preventative medicine at the Keck School of Medicine at the University of Southern California.

Gotts is a pulmonologist/intensive care clinician, Jordt is a toxicologist, McConnell is an epidemiologist, and Tarran is a cell biologist and physiologist.
The paper can be read in full. Below are a number of their key findings:

A number of epidemiological studies showed increased respiratory symptoms in adolescent vapers, such as increased bronchitis-like symptoms, increased asthma, shortness of breath, etc.

The researchers found a number of studies that showed effects of vaping on the whole lung, including possible lung damage (such as damage to the lung's blood supply), and identified case reports from around the world indicating lipoid pneumonia that is similar to what is seen with the current epidemic in the United States.

Medical Xpress
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