Most people would be flabbergasted to see anyone smoking inside an office, a hospital waiting room or an airport. Yet, lately, people are smoking indoors — not traditional cigarettes, but e-cigarettes.
These are smokeless cigarettes that can look like the real thing, a
pen or even a USB stick. What they all do is deliver nicotine to the
smoker in a vapor form. A rechargeable battery powers a heating element
that vaporizes the nicotine in a replaceable cartridge so that what's
inhaled just looks like smoke.
Some E-cigarette companies claim the devices are safer and can help
smokers quit. But critics say the companies' statements are unproven and
their health claims are unsubstantiated. Read more...