chapter 11- tobacco section 1- tobacco use section 2- dangers of tobacco use section 3- a...
TRANSCRIPT
Chapter 11- Tobacco
Section 1- Tobacco UseSection 2- Dangers of Tobacco Use
Section 3- A Tobacco-Free Life
True or False?• At high doses, nicotine is a nerve poison.True• Chewing tobacco is safer than smoking tobacco
because no smoke gets into the lungs.False• Herbal cigarettes are safer than tobacco
cigarettes because they don’t contain tobacco.False• You can smoke for many years before you start
to harm your lungs.False
• The smoke that escapes from a burning cigarette is dangerous to others.
True• The placenta protects a fetus from smoke
in women that smoke during pregnancy.False• Nonsmokers get fewer colds than
smokers.True
Types of Tobacco Products
• Cigarettes• Chewing tobacco• Snuff (dip)• Pipe Tobacco• Cigars• Herbal cigarettes*All tobacco products have dangerous
chemicals
Nicotine• Nicotine is the additive drug that is found in all
tobacco products• At low doses, it is a mild stimulant and muscle
relaxant• At higher doses, it is a powerful nerve poison• 60 milligrams of nicotine is enough to kill most
people• 1-2 milligrams are inhaled when a cigarette is
smoked• Nicotine can enter the body through the lungs,
the gums, and the skin.
Cigarette Smoke Has Poisonous Chemicals
• There are more than 4000 chemicals in cigarette smoke
• At least 40 of the chemicals in cigarette smoke are carcinogens
• Carcinogens are chemicals or agents that cause cancer
• Tar- sticky black substance in tobacco smoke that coats the inside of the airways and that contains many carcinogens
Tar includes…….
• Cyanide- a poisonous gas used to develop photographs
• Formaldehyde- a substance used to preserve laboratory animals and as embalming fluid
• Lead- a dangerous metal• Vinyl chloride- a flammable gas used to make plastic
products
Other dangerous chemicals found in cigarette smoke…..
• Carbon monoxide- a gas that blocks oxygen from getting into the bloodstream
• Ammonia- a chemical found in bathroom cleaners
Other Forms of Tobacco
• Snuff contains 2-3 times more nicotine than cigarette smoke does.
• Smokeless tobacco- you chew it and spit it
• Snuff and chewing tobacco contain different carcinogens and lead to mouth sores and oral cancer.
Other Forms of Tobacco
• Herbal cigarettes contain tobacco and a spice that makes them taste better.
• Pipe tobacco and cigars are also linked to oral cancer.
• There is NO safe form
of tobacco!
Nicotine is Addictive
• Cigarette smoke kills more than 400,000 people in the United States each year.
• Almost all smokers start as teenagers.
• The effects of nicotine on the brain and body lead to physical dependence and addiction.
• Quitting smoking is difficult and withdrawal is unpleasant, but the dangerous effects of smoking are far worse than withdrawal.
Substance-free Message• Create a public service message that sends a
positive message about living without tobacco and/or alcohol.
• Focus on a risk behavior• Promote positive behavior instead of negative
choices• What are benefits of the positive choice?• Who is your target audience?• Rough draft: 5 points in class today• Final Draft: 10 points• Total: 15 points Due: Friday, 12/03
Chapter 11 Section 2
Dangers of Tobacco Use
http://www.tobaccofree.org/clips/VideoAddictiveness.htm
Review
• What is………………• The highly addictive drug that is found in all
tobacco productsNicotine• Any chemical or agent that causes cancerCarcinogen• A sticky, black substance in tobacco smoke that
coats the inside of the airways and that contains many carcinogens
Tar
• A gas that blocks oxygen from getting into the bloodstream
Carbon monoxide
• What are the two forms of smokeless tobacco?
Snuff and chewing tobacco
• What health risks do smokeless tobacco products cause?
Mouth sores and oral cancer
Short-Term Effects of Tobacco Use
• Nicotine stimulates the brain reward system• Increases the heart rate and blood pressure• Increases breathing rate• Increases blood-sugar levels• Stimulates the vomit reflex• Coughing• Breath and clothes stink• Black specks between your teeth
Long-Term Effects of Tobacco Use
• Addiction• Bronchitis and Emphysema• Heart and Artery Diseases• Cancer• Immune System Suppression• Discolored teeth• Mouth sores• Dulls the senses of smell and taste
Key Terms
• Sidestream smoke- the smoke that escapes from the tip of a cigarette, cigar, or pipe
• Mainstream smoke- smoke that is inhaled through a tobacco product and exhaled by a tobacco smoker
• Environmental tobacco smoke (secondhand smoke)- a combination of exhaled mainstream smoke and sidestream smoke
Dangers of Secondhand Smoke
• For every 8 people killed by their own smoking, a nonsmoker is killed by exposure to secondhand smoke.
• Secondhand smoke causes headaches, nausea, dizziness, and illness.
• The children of smokers suffer from lower respiratory infections, asthma, and ear infections.
Dangers of Tobacco Use During Pregnancy
• Chemicals from cigarette smoke pass through the placenta to the developing infant and affect the baby the same way they affect the mother.
• Smoking while pregnant can lead to miscarriage, premature birth, low birth weight, and sudden infant death syndrome.
• Smoking can also affect a fetus’s
brain, causing developmental
difficulties.
Reflection
• What are your favorite activities and how would smoking affect your ability to perform them?
• List three reasons you would give a friend to encourage him/her not to smoke.
• Why is quitting smoking so difficult?
• Why do tobacco companies target young people with their advertisements?