Immediate effects? There are lots of them. The minute nicotine enters your system, it causes an increase in blood pressure, heart rate, and the flow of blood from the heart. It also narrows your arteries. One drag of a cigarette can result in coughing, gagging, vomiting, headache, dizziness and more.
Nicotine is an agonist. This drug causes receptors to respond in the same was as a naturally occurring substance; it mimics the effect of the protein. Nicotine in particular resembles the structure of the neurotransmitter Acetylcholine; this allows it to active receptors naturally stimulated by Acetylcholine. However, it doesn’t act exactly like Acetylcholine and causes the systems that it affects to function abnormally.
Nicotine increases risks of cancer, because it causes cell mutations in the body that can lead to cancer. Regularly inhaled through the lungs, they can then be damaged as a result of regular use; it can contribute to different pulmonary diseases. It is also highly addictive, because of its chemical interaction with the brain, it makes people want to use nicotine more. Nicotine can also increase risk for heart attacks, stroke, and skin damage.
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