increased risk of lung diseases, such as COPD and chronic bronchitis due to damage to lung tissue and airways.increased risk of stroke and heart attack from higher blood pressure and damaged blood vessels.higher blood pressure from constricted blood vessels.constricted blood vessels, which restricts the flow of blood throughout your body and may cause damage to your blood vessels.Some other health effects of nicotine include: This is what concerns public health organizations and the medical community alike.īeyond being a potentially addictive substance and changing your brain chemistry, nicotine can affect your health in many different ways. This “feel-good” chemical is released when you’re in rewarding situations.īasically, to sum it all up, nicotine alters the chemical functions in your brain. Nicotine also has the ability to mimic dopamine. When you stop smoking and your nicotine levels go down, your body craves it because your brain isn’t making enough acetylcholine on its own. Over time, the neurons in your brain start to compensate for this increased activity by making fewer acetylcholine receptors. This can cause signaling activity in your brain to increase when you smoke, making you feel more energized. It can mimic it when you absorb nicotine into your body. Nicotine is shaped similarly to a neurotransmitter called acetylcholine. The way that messages get from one neuron to another is through special chemical messengers the neurons produce, called neurotransmitters. Your brain is a hive of activity with billions of neurons processing, storing, and sending information all the time. This is a thick liquid produced from burning carbon-based matter. This toxic chemical is known for its damaging effects on the brain and nervous system, especially in children. Commonly used as an industrial germicide and fungicide, it’s been directly linked to cancer. It’s an odorless gas also found in car exhaust fumes that’s toxic at high levels. A flammable compound, it’s found in crude oil and is commonly used to light fires. A naturally occurring chemical, it’s used in many bug killers and weed killers. This compound comprises nitrogen and hydrogen. It’s a relative of propane that’s a common ingredient in nail polish remover. Here are just a few of the chemicals and substances you’ll find in the average cigarette: At least 69 of them have been linked to cancer. In fact, according to the American Lung Association, the average unlit cigarette can contain up to 600 different substances.Īs it burns, though, a cigarette may produce 7,000 chemicals. Nicotine isn’t the only ingredient in a cigarette.
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