Effects of Teenage Smoking Essay Example | 437 Words
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Effects of Teenage Smoking Essay Example
The teen years are critical for brain development, which continues into young adulthood. Young people who use nicotine products, including e-cigarettes, risk long-lasting effects. Because nicotine affects the development of the brain’s reward system, continued e-cigarette use can not only lead to nicotine addiction, but it also can make other drugs such as cocaine and methamphetamine more pleasurable to a teen’s developing brain.
Nicotine also affects the development of brain circuits that control attention and learning. Other risks include mood disorders and permanent problems with impulse control—failure to fight an urge or impulse that may harm oneself or others.
Most e-cigarettes consist of four different components, including a cartridge or reservoir, which holds a liquid solution containing varying amounts of nicotine, flavorings, and other chemicals heating element (atomizer), a power source (usually a battery), a mouthpiece that the person uses to inhale many e-cigarettes, puffing activates the battery-powered heating device, which vaporizes the liquid in the cartridge.
The person then inhales the resulting aerosol or vapor. The nicotine in e-liquids is readily absorbed from the lungs into the bloodstream when a person uses an e-cigarette. Upon entering the blood, nicotine stimulates the adrenal glands to release the hormone epinephrine. Epinephrine stimulates the central nervous system and increases blood pressure, breathing, and heart rate. As with most addictive substances, nicotine activates the brain’s reward circuits and also increases levels of a chemical messenger in the brain called dopamine, which reinforces rewarding behaviors.
Pleasure caused by nicotine’s interaction with the reward circuit motivates some people to use nicotine again and again, despite risks to their health and well-being.
Some research suggests that e-cigarettes might be less harmful than cigarettes when people who regularly smoke switch to them as a complete replacement. But nicotine in any form is a highly addictive drug.
Research suggests it can prime the brain’s reward system, putting vapers at risk for addiction to other drugs. Also, e-cigarette use exposes the lungs to various chemicals, including those added to e-liquids and other chemicals produced during the heating/vaporizing process.
A study of some e-cigarette products found the vapor contains known carcinogens and toxic chemicals, as well as potentially toxic metal nanoparticles from the device itself. The study showed that the e-liquids of certain cig-a-like brands contain high levels of nickel and chromium, which may come from the nichrome heating coils of the vaporizing device. Cig-a-likes may also contain low levels of cadmium, a toxic metal found in cigarette smoke that can cause breathing problems and disease. More research is needed on the health consequences of repeated exposure to these chemicals.
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