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E Cigarettes are regarded by many as a harmless alternative to classic tobacco cigarettes. In Ireland, according to a study by the Dublin Trinity College, every eighth smoked an e-cigarette. There are very few studies on the health consequences. Some suggest that e-cigarettes are less harmful than tobacco cigarettes. This does not mean, however, that electronic cigarettes are harmless.

This is how e-cigarettes work Aromatized liquids are electrically evaporated in an e-cigarette. The devices consist of a power source (rechargeable battery), an electric heating element (nebulizer) and a cartridge for the liquid to be evaporated (liquid). So there is no smoke but an aerosol that is inhaled. The supply of Liquids is great. They are available in all flavors - from classic tobacco to strawberry and caramel to the taste of gummy bears. More than 8,000 aromas are used, the least of which are tested for their effects in humans. Less pollutants than in tobacco smoke Tobacco smoke contains more than 70 different carcinogenic substances. In comparison, the aerosol of e-cigarettes actually contains fewer pollutants, but also inflammation-promoting, irritating and even carcinogenic substances.

The Institute for Risk Research and the Irish Cancer Center therefore warn against underestimating the danger potential of e-cigarettes. Propylene glycol can irritate eyes and airways The base of the liquid consists of propylene glycol, a substance which is also used as a disco or theater fog. This vapor can cause eye and respiratory irritation. So far, it is unclear what consequences this long-term exposure to this substance will have. With the steam, very fine particles reach deep into the lungs and can settle there. Nicotine can become addictive Like traditional cigarettes, the liquid can also contain nicotine, which causes a physical and psychological dependency. In animal experiments it resolves arteriosclerotic vascular changes. It has a beneficial effect on the growth of existing tumors.

Cancerous substances in the liquid When the liquid is heated, the carcinogenic substances acetaldehyde and formaldehyde are also formed. The substances irritate the skin and mucous membranes, damage the airways and are considered to be carcinogenic. The quantity absorbed during smoking is mainly dependent on the usage behavior. Above all, when the liquid is heated considerably, higher doses are obtained than with conventional cigarettes. When using three milliliters of liquid, approximately 14 milligrams of formaldehyde are produced. This is approximately 5 to 14 times the amount taken in the smoking of 20 tobacco cigarettes. Higher tension, more pollutants For newer models of e-cigarettes the battery voltage can vary. For this purpose, the voltage at which the ignition wire is heated can be adjusted individually.

A higher voltage means a higher temperature and more steam. This releases more nicotine and more pollutants. Inflammation and contact allergies by liquid Most studies refer to the effects of liquid liquids - but not to the vaporized ones. Some aromatics are known to be harmful. Thus, the sweet-butter-like diacetyl causes severe inflammation of the respiratory tract when inhaled. Other fragrances and preservatives such as benzyl alcohol and cinnamaldehyde can cause contact allergies. Risk of cancer Who "exclusively" e-cigarettes "steams" and renounces nicotine-containing liquid, according to the current status has a lower cancer risk than a tobacco smoke. Anyone who smokes tobacco next to e-cigarettes has no health advantage.