Does Tobacco Contain Nicotine?
Tobacco smoke not only delivers nicotine to the lungs, blood and organs, it also delivers more than 5,000 chemicals, including many carcinogens (carcinogenic chemicals). In addition to the nicotine in smoke, cigarette smoke contains more than 4,000 substances, many of which can cause cancer or damage the lungs.
Passively smoked cigars contain similar toxins and carcinogens (carcinogens) as secondhand cigarette smoke, but in higher concentrations. E-cigarettes also expose non-smokers to aerosols containing harmful chemicals (rather than secondhand smoke). There is no safe level of exposure to secondhand smoke, which is responsible for more than 1.2 million premature deaths and serious cardiovascular and respiratory disease each year.
Cigarette smoking and exposure to tobacco smoke are responsible for approximately 480 000 premature deaths in this country each year (1). The main reason for the increase in the number of deaths and cases of tobacco disease is the sharp increase in cigarette smoking during the 20th century. According to the Centers for Disease Control and Prevention (CDC), smoking-related illnesses kill more than 480,000 people in the United States each year.
According to the American Heart Association, about 40,000 people die from heart and vascular disease caused by secondhand smoke. About 25% of all deaths from cardiovascular diseases and 80% of deaths from lung cancer are caused by smoking, and many more are caused, for example, by passive smoking. Heart disease, cancer, and lung disease are the leading causes of death for people with mental illness, so it's important to understand how smoking affects the risk of heart disease.
Smoking and heart Most people know that smoking and smoking increase the risk of lung cancer and breathing problems, but few realize that it also significantly increases the risk of heart disease, peripheral vascular disease (lung disease), and blood vessels. arm and leg) and abdominal aortic aneurysm. There is a common misconception that this kind of social smoking is safe, but the truth is that smoking any number of cigarettes can still put you at risk for smoking-related illnesses, including heart disease, lung cancer, and even depressive symptoms. and anxiety. Smoking one cigarette a day for a lifetime can lead to smoking-related cancers and premature death.
When you inhale the smoke of a cigarette, these toxins enter the bloodstream and start to damage the heart and blood vessels, increasing the risk of cardiovascular disease. Smoking causes inflammation and damage to cells throughout the body, and also weakens the immune system, making it less able to fight disease. While most people know that smoking causes lung cancer, most smokers are unaware that tobacco increases the risk of many types of cancers, including colon, liver, cervix, brain, esophagus, throat, kidney, even cancer. male penis. But there are a few. In the United States, the vast majority of tobacco-related illnesses and deaths are caused by cigarettes. Smokers are exposed to a toxic mixture of more than 7,000 chemicals when inhaling cigarette smoke,2 the effects of which threaten their health in a number of ways. More
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