Transcript Tobacco Products - Hopewell Health

Tobacco Products
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Objectives:
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Describe the various
forms of tobacco
products
Explain how nicotine
affects the body.
Identify 2 other
dangerous substances in
tobacco smoke.
Examine why using
smokeless tobacco is not
a safe alternative to
smoking.
Key Words:
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Nicotine
Smokeless tobacco
Chewing tobacco
Snuff
Stimulant
Tar
Carcinogen
Carbon monoxide
Warm-Up:
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NIDA Facts & Questions
Tobacco Products
Made from dried, processed leaves of tobacco
plants.
Tobacco plants naturally produce a chemical
that acts as an insecticide: Nicotine
Nicotine is a stimulant (a drug that increases
the nervous system)
Tobacco Products
Products that are Smoked
Cigarettes—cured & shredded
tobacco leaves rolled in paper
Bidis—cigarette-like products
of tobacco wrapped in a leaf &
tied with a string
Kreteks—contain ground clove
(numbs the lungs)
Cigar & Pipe Tobacco—less
processed than cigarettes; more
nicotine than cigarettes
Smokeless Tobacco
Either chewed, placed
between the lip & teeth, or
sniffed through nose
Chewing Tobacco—Dip,
Chew—poor-quality,
ground tobacco
Snuff—finely ground,
powdered tobacco
Chemicals in Tobacco Products:
Nicotine & the Body
Nicotine & the Body
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Enters the blood through the lungs (smokers) or
lining of mouth/nose (smokeless users)
Reaches the brain within seconds & takes place
of chemicals that send signals between cells
Affects breathing, movement, learning,
memory, mood, and appetite
Chemicals in Tobacco Products:
Nicotine & the Body
Nicotine’s Short-Term
Effects
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Increased heart rate
Increased blood pressure
Changes in brain that
lead to addiction
First time users: nicotine
poisoning:
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Rapid pulse
Clammy skin
Nausea
Dizziness
Nicotine Addiction
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Frequent use leads to
dependence for feelings
of alertness & pleasure
As tolerance increases,
more nicotine is needed
for same results.
Without nicotine, users
may feel irritated or
anxious
Chemicals in Tobacco Products:
Nicotine & the Body
Psychological
Dependence
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Used to cope with
stressful situations
Associated with social
situations
Make quitting difficult
Withdrawal
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May begin as soon as
30 minutes after last
dose
Symptoms:
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Headaches
Irritability
Difficulty sleeping
Inability to concentrate
Intense nicotine
cravings
Effects of Nicotine
Respiratory System
•Increases mucus production
•Decreases muscle action in the
lungs’ airways
•Causes breathing to become more
shallow
Digestive System
•Increases saliva production
•Decreases the amount of
insulin released from the
pancreas
•Increases bowel activity
Nervous System
•Increases activity level
•Mimics neurotransmitters
•Decreases reflex actions
•Activates brain’s “Reward
Pathway”
Cardiovascular System
•Increases heart rate & force of
contractions
•Increases blood pressure
•Reduces blood flow to skin
•Increases risk of blood clotting
Chemicals in Tobacco Products:
Other Dangerous Chemicals
Tar
Carbon Monoxide
Dark, sticky substance that
forms when tobacco burns
Mixture of hundreds of
chemicals
Carcinogen (causes cancer)
Short-Term Effects
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Brown stains on fingers & teeth
Smelly hair & clothes
Bad Breath
Paralysis of cilia lining the
airways
Increased respiratory infections
Impaired lung function
Odorless, poisonous gass
Binds to hemoglobin
molecules in place of
oxygen
Red Blood Cells cannot
transport oxygen
Causes heart rate &
breathing rate to increase
Chemicals in Tobacco Smoke
Chemicals in Tobacco Products:
Other Dangerous Chemicals
Chemicals in
Smokeless Tobacco
Users absorb 2.5x the
nicotine as smoker
Causes
–Stained
teeth
–Bad breath & drooling
–Receding gums &
tooth decay
Tobacco Products & Chemicals
in Tobacco Products
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What is nicotine?
List the types of tobacco products that are smoked & the
smokeless tobacco products.
What part of the body is most affected by the use of
smokeless tobacco?
What type of drug is nicotine? How does nicotine affect
the body?
What effects do tar & carbon monoxide have on the
bodies of smokers?
What is a carcinogen?
Explain how smokeless tobacco products harm the body.