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What are the three most dangerous substances in tobacco smoke and what effect do they have?
The three most dangerous substances in tobacco smoke are nicotine, tar, and carbon monoxide. Nicotine is highly addictive and can lead to increased heart rate and elevated blood pressure. Tar contains numerous carcinogens that damage lung tissue and contribute to cancer and respiratory diseases. Carbon monoxide reduces oxygen delivery in the body, leading to cardiovascular problems and impaired lung function.
How does nicotine effect your body?
Nicotine can cause cardiovascular accidents or heart attacks. This is dangerous and remarkably one of the most used and addictive drugs.
What is in tobacco to make people keep smoking?
Nicotine, one of the most highly-addictive substances known.
What are the dangerous substances found in cigarettes and why are they so deadly?
There are many dangerous substances in cigarette smoke, but I will just discuss the most dangerous three of them. Nicotine is a dangerous drug because it is strongly addictive, and it also causes blood vessels to contract (technically it is a vasoconstrictor) which reduces blood circulation. Tar, also known as polycyclic aromatic hydrocarbons, is a powerful carcinogen; it causes cancer. Carbon monoxide reduces the oxygen carrying capacity of the blood (it bonds to hemoglobin and prevents it from carrying oxygen molecules).
How serious is nicotine dependence?
Nicotine is one of the most addictive substances known, and one of the most difficult addictions to "kick." Tobacco use causes cancer, lung and heart disease, and birth defects.You will have to decide for yourself how serious that is.
What are substances that irritate the respritory system?
Most of the substances are those in gas form inhaled by the person. A classic example is nicotine for when you smoke cigarettes. The smoke also irritatates the system.
Is nicotine addicting?
Yes. Nicotine is one of the most addictive substances known.
What is the most dangerous part of the tobacco plant?
I suppose this depends on ones view. I would suggest Nicotine is the most dangerous part. Nicotine is in fact not really dangerous in the amounts one get from a cigarette. The problem is that it causes addiction and many people "enjoy" its effect. This makes people less concerned with the cigarettes secondary effects so they expose their bodies to a wide range of poison and irritants just to get more nicotine. Tobacco is a plant that when smoked or chewed is the main cause of cancer in those using it. Nicotine alone is however not the cause of cancer. Researchers agree that this component only causes the addiction.
Is the most dangerous thing cigarettes nicotine?
No, the most dangerous thing is the Polonium 210, which is also in the cigarettes. 210Po is an alpha emiter that has a half-life of 138.376 days, their median Lethal Dose is estimated 10 (inhaled) at 50 ng (ingested) in humans makes this one of the most toxic substances known. One gram in theory could poison 100 million people of which 50 million will die. On the other hand 40-60 mg of nicotine (0.5-1.0 mg/kg) can be a lethal dosage for adult humans.
Is 60milligrams of nicotine enough to kill most people?
Sixty milligrams of nicotine is considered a potentially lethal dose for an adult, but individual tolerance can vary significantly. While it can be dangerous and even fatal, especially for someone with no prior exposure to nicotine, most people would not likely experience fatal effects from this amount due to varying levels of tolerance and the way nicotine is absorbed in the body. It’s important to note that nicotine poisoning can occur at lower doses, resulting in serious health issues. Always exercise caution when handling nicotine products.
What is the most dangerous chemical in a cigarette?
Nicotine is typically considered the most dangerous chemical in cigarettes due to its addictive properties and cardiovascular effects. It is responsible for the addictiveness of smoking and contributes to the increased risk of developing illnesses like heart disease and cancer.
What components of chlorofluorocarbon affects the ozone layer most?
CFC's are ozone depleting substances. The chlorine and fluorine part are most dangerous.
