Magazine article Nutrition Health Review

What Is the Primary Difference between Electronic Cigarettes-A Relatively New Invention That First Surfaced Commercially in 2004-And Their Age-Old, Combustible Predecessors?

Magazine article Nutrition Health Review

What Is the Primary Difference between Electronic Cigarettes-A Relatively New Invention That First Surfaced Commercially in 2004-And Their Age-Old, Combustible Predecessors?

Article excerpt

WHAT IS THE PRIMARY DIFFERENCE BETWEEN electronic cigarettes--a relatively new invention that first surfaced commercially in 2004--and their age-old, combustible predecessors? So-called "e-cigs" do not contain tobacco. Instead, an internal mechanism heats up liquid nicotine, which is converted to a vapor that smokers inhale. Because e-cigarettes do not contain tar and other additives, some manufacturers have claimed that the vapor offers certain advantages over cigarette smoke and are less dangerous to people's health.

Although the lack of smoke is thought to result in fewer health problems compared with smoking conventional cigarettes, such as less coughing, improved ability to exercise, heightened sense of taste and smell, anyone thinking about taking up e-cigarettes needs to evaluate the pros and cons.

Dr. Darla Kendzor, Assistant Professor at the University of Texas Southwestern Medical Center in Dallas, explains: "It's important to note that only a handful of studies.have been conducted to evaluate the safety and utility of electronic cigarettes because the device is relatively new. …

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