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(Electronic-CIGARETTE) A cigarette-shaped canister filled with liquid nicotine in various potencies. A vapor is inhaled, giving the person the satisfaction of a tobacco cigarette. The user's inhalation triggers the unit to heat and atomize the liquid into a vapor and also makes the tip glow red, white or blue, depending on brand.

Although many people use them to help quit smoking or to cut down on smoking, e-cigarettes are designed as a tobacco substitute, and vendors naturally want perpetual customers. For regular users, their advantage is twofold: they are healthier because there is no smoke and no tar, and secondly, people are able to use them in many venues where cigarettes are prohibited. Called "vaping" (for vaporizing), the various exhaled vapor aromas are mild, pleasing and nowhere near as unsavory to other people as is tobacco cigarette smoke.

The Liquid Content
Called "e-liquid," "e-juice" or "smoke juice," the liquid in an e-cigarette cartridge contains propylene glycol (PG) or vegetable glycerin (VG), both used as food additives, along with flavoring and nicotine. The propylene glycol is thinner than the vegetable glycerin and tends to keep the heating element cleaner; however, some people can be allergic to it. The vegetable glycerin causes fewer reactions, creates thicker plumes of vapor and provides a weaker throat hit. Some brands use a mixture of the two. See e-joint.

The blu Brand
Available in various flavors in the U.S., glycerin-based blu brand cartridges last about the same as a pack of regular cigarettes. The batteries are rated at a thousand recharges, and the tip glows blue rather than red or white.
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Professor Gualano and her group are convinced that the use of ecigs can reduce the number of cigarettes smoked including the withdrawal symptoms, but they cautioned that the side effects they reported were mainly related to a short period of use.
This was based on earlier studies showing that the vapors from ecigs contain traces of toxic substances that can harm bystanders by "secondhand" smoke.
Last year, the Philippine Medical Association and other health experts have called for a ban on the sale of ecigs to the public until such time that valid clinical trial data are already available.
Ecigs are also promoted by some marketers as an "alternative lifestyle", and many think they are safer and relatively "healthier" than actual smoking.
As time passes and eCigs are still around, consumers will accept them, but only if they're educated on the product, according to Story.
Data confirms that while manufacturers may not advertise eCigs as smoking-cessation products and the FDA does not approve of them as such, a contingent of smokers uses them as just that.
The relatively small sample size and the fact that eCigs are still in their infancy make the results far from conclusive, but it seems likely that interest in whether they can function as a smoking cessation product will only grow.
agrees with the assessment that eCigs are a product people will have to learn about and get used to.