How Smoking Kills

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this video is sponsored by the american lung cancer screening initiative lung cancer is the leading cause of cancer-related death in the world but lung cancer screening can save lives click the link below to learn more every time you smoke a cigarette toxic gases pass into your lungs then into your bloodstream where they spread to every organ in your body a cigarette is made using the tobacco leaf which contains nicotine and a variety of other compounds as the tobacco and compounds burn they release thousands of dangerous chemicals including over 40 known to cause cancer cigarette smoke contains the poisonous gases carbon monoxide and nitrogen oxide as well as trace amounts of cancer-causing radioactive particles all forms of tobacco are dangerous including cigars pipes and smokeless tobacco such as chewing tobacco and snuff nicotine is an addictive chemical in tobacco after you inhale tobacco smoke nicotine flows through the bloodstream to your brain where it induces a pleasurable feeling when you repeatedly expose your brain to nicotine it becomes desensitized making you crave more and more nicotine just to feel normal smoking causes death people who smoke typically die at an earlier age than non-smokers in fact one of every five deaths in the united states is linked to cigarette smoking if you smoke your risk of major health problems increases dramatically including heart disease heart attack stroke lung cancer and death from chronic obstructive pulmonary disease causes cardiovascular disease when nicotine flows through your adrenal glands it stimulates the release of epinephrine a hormone that raises your blood pressure in addition nicotine and carbon monoxide can damage the lining of the inner walls in your arteries fatty deposits called plaque can build up at these injury sites and become large enough to narrow the arteries and severely reduce blood flow resulting in a condition called atherosclerosis in coronary artery disease atherosclerosis narrows the arteries that supply the heart which reduces the supply of oxygen to your heart muscle increasing your risk for a heart attack smoking also raises your risk for blood clots because it causes platelets in your blood to clump together smoking increases your risk for peripheral vascular disease in which atherosclerotic plaques block the large arteries in your arms and legs smoking can also cause an abdominal aortic aneurysm which is a swelling or weakening of your aorta where it runs through your abdomen smoking damages two main parts of your lungs your airways also called bronchial tubes and small air sacs called alveoli with each breath air travels down your windpipe called the trachea and enters your lungs through your bronchial tubes air then moves into thousands of tiny alveoli where oxygen from the air moves into your bloodstream and the waste product carbon dioxide moves out of your bloodstream tiny hair-like projections called cilia line your bronchial tubes and sweep harmful substances out of your lungs cigarette smoke irritates the lining of your bronchial tubes causing them to swell and make mucus cigarette smoke also slows the movement of your cilia causing some of the smoke and mucus to stay in your lungs while you are sleeping some of the cilia recover and start pushing more pollutants and mucus out of your lungs when you wake up your body attempts to expel this material by coughing repeatedly a condition known as smoker's cough over time chronic bronchitis develops as your cilia stop working your airways become clogged with scars and mucus and breathing becomes difficult your lungs are now more vulnerable to further disease cigarette smoke also damages your alveoli making it harder for oxygen and carbon dioxide to exchange with your blood over time so little oxygen can reach your blood that you may develop emphysema a condition in which you must gasp for every breath and wear an oxygen tube under your nose in order to breathe chronic bronchitis and emphysema are collectively called chronic obstructive pulmonary disease or copd copd is a gradual loss of the ability to breathe for which there is no cure cigarette smoke contains at least 40 cancer-causing substances called carcinogens including cyanide formaldehyde benzene and ammonia in your body healthy cells grow make new cells then die genetic material inside each cell called dna directs this process if you smoke toxic chemicals can damage the dna in your healthy cells as a result your damaged cells create new unhealthy cells which grow out of control and may spread to other parts of your body the most common cancer in the world is lung cancer with over a million new cases diagnosed every year harmful chemicals in cigarettes can cause cancer in other parts of your body such as in the blood and bone marrow mouth larynx throat esophagus stomach pancreas kidney bladder uterus and cervix smoking can cause infertility in both men and women if a woman is pregnant and smokes during pregnancy she exposes her baby to the cigarette's poisonous chemicals causing a greater risk of low birth weight miscarriage pre-term delivery stillbirth infant death and sudden infant death syndrome smoking is also dangerous if a mother is breastfeeding nicotine passes to the baby through breast milk and can cause restlessness rapid heartbeat vomiting interrupted sleep or diarrhea other health effects of smoking include low bone density and increased risk for hip fracture among women gum disease often leading to tooth loss and surgery immune system dysfunction and delayed wound healing and sexual impotence in men
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Channel: Nucleus Medical Media
Views: 1,972,986
Rating: 4.8740158 out of 5
Keywords: animation, nucleus medical media, patient education, 3D, air, airway, airways, alveolar, alveoli, aneurysms, animated, aorta, aortic, arterial, arteries, artery, atherosclerosis, blood, bronchi, bronchiole, bronchitis, bronchus, cancer, cancers, carbon, cardiac, cardial, cardio, cells, chronic, clot, clots, copd, coronary, displasia, dna, dysplasia, emphysemia, emphysemic, heart, lung, lungs, medical, mucus, myocardial, nerve, nerves, neuron, neurones, o2, obstructive, oxygen, pipe, plaque, platelets, pregnant, pulmonary, trachea, venous
Id: QDDnYcn-o8I
Channel Id: undefined
Length: 9min 1sec (541 seconds)
Published: Thu Jun 10 2021
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