essential question: what are some of the major effects of tobacco and what choices do people have to...
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© 2004 Mayo Foundation for Medical Education and Research
Essential Question:What are some of the major effects of tobacco and what choices do people have to avoid them.
© 2004 Mayo Foundation for Medical Education and Research
• Cigarettes• Chewing “spit” tobacco• Cigars• Pipes• Bidis (flavored cigarettes from India)•* Snuff- sugar & sand combined w/ tobacco
© 2004 Mayo Foundation for Medical Education and Research
Why do people think cigars are safer than cigarettes?
•Scientific evidence has shown that cancers of the oral cavity (lip, tongue, mouth, and throat), larynx, lung, and esophagus are associated with cigar smoking.
•the nicotine is absorbed through the lining of the mouth rather than in the lung. “I don’t inhale, so I
get less tar, nicotine and smoke than a cigarette smoker.”
© 2004 Mayo Foundation for Medical Education and Research
Chewing tobacco is not safer than
cigarette smoking.•Pre-cancerous or
cancerous mouth
and throat lesions
•An addiction that is very difficult to quit
© 2004 Mayo Foundation for Medical Education and Research
Smokers
Nonsmokers
*Students are 7 times more likely to smoke if their parents smoke (#1 reason kids start smoking). They are 4 times more likely to smoke if friends smoke.Other influences to smoke
Other influences to smokeLook cool/older: Many kids are curious about smoking.AdvertisingFamous people smoking (in movies, magazines, or in public)
© 2004 Mayo Foundation for Medical Education and Research
Withdrawal Symptoms
• Insomnia, restlessness
• Anxiety, irritability• Frustration, anger• Difficulty
concentrating• Sad, depressed
mood• Increased appetite
Facts!•Nicotine is as addictive as cocaine and heroin!!Nicotine binds to receptors in the brain and can create feelings of increased energy, concentration, relaxation. Levels of nicotine in the brain peak and fall very quickly. People smoke frequently to keep the levels of nicotine up. They also need more of the drug to feel “normal”.
© 2004 Mayo Foundation for Medical Education and Research
$8.24 BILLION DOLLARS
Why are advertisements so powerful? Who and what do you see in them? Why are children directed towards them? Thoughts????
© 2004 Mayo Foundation for Medical Education and Research
Tobacco is a major expense for the user.
$7 per pack x 7 days/week= ??$ per week x 4
weeks/month= ???$ per month x 12 months/year= ????
What would you buy with that money?
It adds up…
© 2004 Mayo Foundation for Medical Education and Research
Arsenic*, Benzene*, Vinyl Chloride*SmokeTar: CarcinogenCarbon monoxideFormaldehydeAmmoniaCadmium
* Classified as Group A carcinogens by the EPA
Over 4,000 ingredients total!
© 2004 Mayo Foundation for Medical Education and Research
There is no such thing as a safe
cigarette.“Low tar”“Lights”
Added flavors“Natural” products
•Tobacco: 1,200 deaths/day. This is the same number of deaths that would occur if 3 jumbo jets crashed every day for an entire year.•444,000 people die each year in the U.S. from smoking.
© 2004 Mayo Foundation for Medical Education and Research
• High blood pressure
• Carbon monoxide in blood
• Not enough oxygen delivery
• Blood vessels can become blocked
© 2004 Mayo Foundation for Medical Education and Research
Main Stream Smoke: the person that is smoking.
Side Stream Smoke: when the people around the smoker inhale the smoke: WORSE than main stream
True or False:When someone smokes, they are only hurting themselves.
FalseFalse
The truth is, 38,000 people die each year in
the U.S. of diseases like lung cancer and
heart disease that are caused by secondhand
smoke.© 2004 Mayo Foundation for Medical Education and Research
Smoky bar for 2 hours =
Non-smoking section in restaurant for 2
hours =
Smoker’s home for 1 day =
© 2004 Mayo Foundation for Medical Education and Research
“Secondhand smoke isn’t as bad as smoking.”
© 2004 Mayo Foundation for Medical Education and Research
© 2004 Mayo Foundation for Medical Education and Research
300 million air sacs, enough to cover an entire football field.
Alveoli are stretched or broken by cigarette smoke
and tar, causing emphysema.
Healthy alveolus
Emphysema
© 2004 Mayo Foundation for Medical Education and Research
Emphysema is a progressive lung disease which is due to damage to enough of these air sacs from smoking to cause breathing problems. There is a lot of reserve in lung tissue, but once it is damaged, the lung tissue does not come back to a pre-smoking state.
© 2004 Mayo Foundation for Medical Education and Research
The cancer-causing chemicals in
tobacco can cause cancer anywhere
in the body.Cancer is most common in
areas closest to the tobacco or the smoke.
Bladder, Cervical, Head, neck and mouth, Breast cancer risk increases
© 2004 Mayo Foundation for Medical Education and Research
© 2004 Mayo Foundation for Medical Education and Research
© 2004 Mayo Foundation for Medical Education and Research
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