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A single puff of a tobacco cigarette contains over 4,000 harmful chemicals 68 of them are Class A carcinogens – Known to cause cancer The 3 main chemicals in cigarette smoke are: Nicotine Tar Carbon monoxide
Made by tobacco plants to keep insects away Poisonous to insects Very physically addictive 1/3 of all people who try a cigarette will become addicted
Over 400,000 people die each year in the U.S. from smoking-related illnesses 2 nd hand smoke is also very harmful to health Also known as environmental tobacco smoke (ETS) Passive smokers Can cause irritated eyes, nose and throat; heart disease, allergic reactions, including asthma; lung cancer
Since the 1990’s, young people have been getting smarter about using tobacco From 1991 – 1996, there was a 50% increase of smoking among 8 th and 10 th graders From 1996 – 2005, rates of smoking have declined.
The majority of youth are smoke free 88% of 8 th graders had not used any tobacco product in the past 30 days (CDC, 2006) 92% had not used cigarettes 97% had not used smokeless tobacco However, 2.6 million adolescents in U.S. smoke cigarettes 1.3 million people under age 18 try their first cigarette 387,000 become daily smokers 85 - 90% of adult smokers started before age 18 Often leads to alcohol and other drugs
Bad breath Smelly clothes Increased heart rate Leads to yellow teeth and fingers
Cigarettes Smokeless tobacco Chewing tobacco Snuff Pipe Cigar New electronic cigarettes Smokeless Still contain nicotine Risk: nicotine poisoning Still undergoing research and testing
Safer in some ways, no smoke Risk nicotine poisoning New, still need more testing
Higher doses of nicotine can cause: Dizziness Faintness Rapid pulse Cold, clammy skin Nausea, vomiting and diarrhea
Surgeon general warnings are small, inconspicuous – tobacco companies make them as small as possible Companies try to manipulate young people to smoke 85% - 90 % of all smokers begin before the age of 18 Tobacco companies spend $41.5 million on ads per day! (That’s 15.4 billion per year)
Alveoli are little air sacs in the lungs that hold oxygen when we breathe Once alveoli get hard from tar, like the dry sponge, they pop The more a person smokes, the more alveoli they pop – this is called emphysema Alveoli are like packing bubbles The more alveoli that pop, the worse a person’s emphysema gets Most of the time, a person with emphysema continues smoking because they are addicted What happens to a person when their alveoli pop? it gets harder to breathe alveoli don’t grow back
Pulmonary= Lungs Emphysema Alveoli are damaged Reduces amount of air exchange in lungs Chronic bronchitis Lining of airways is constantly irritated and inflamed Lots of mucus in airways; hard to breathe
Nicotine is extremely addictive More addictive than heroin and cocaine Mimics the effects of neurotransmitters in the brain Chemicals that carry messages from one part of the brain to another Changes number of receptors for neurotransmitters in the brain Results in tolerance Needing higher levels of nicotine to feels same effects.
Groups of 4 Collaboration of activities & worksheets Complete worksheets by the end of the day
Lesson #1: What Tobacco Does To Your Body Read the pamphlet & fill out the Concept Map on Chapter #13 Lesson #1
To simulate what happens to the heart: Step 1: Take your pulse Do not take with thumb – it has its own pulse Take with index or middle finger Take either carotid, on neck, or radial, on the thumb side of wrist A pulse is counted in beats per minute BPM) Do you need to count for 60 seconds? What is an easier way? You’ll count for 30 seconds, and multiply by 2 Find your pulse, and begin counting when I say go. Write down your number and multiply by 2.
Now pretend you have smoked a cigarette Nicotine is a stimulant Speeds up the body Speeds up the heart How can you speed up your heart right now? You will exercise for 60 seconds to speed up your heart Jumping jacks, run in place, burpees, imaginary jump rope, star jump…. Now find your new pulse rate Nicotine raises the heart rate in a similar way
Lesson #2: What Tobacco Does to Your Body Read the pamphlet & fill out the Concept Map on Chapter #8 Lesson #2
Fitness Activity Run back and forth the width of the gym When you are done take 10 full breaths through the straw This shows how your breathing can be affected if you smoke
Lesson #3: Choosing To Be Tobacco Free Read the pamphlet & fill out the Concept Map on Chapter #13 Lesson #3