Transcript Chap8Less1 Why tobacco is harmful

Tobacco
In this chapter, you will Learn About…
 The harmful effects of tobacco use on the
body.
 Tobacco addiction.
 Staying tobacco free.
Bell Work
How harmful is tobacco to your body?
Standards
 1: The student will comprehend concepts related to
health promotion to enhance health.
Indicators/ Essential
Question
 D-8.1.2 Examine the short- and long-term effects and
consequences of ATOD use, including the impact on
society.
Relevance
How can a person so easily become
addicted to tobacco when they know
how harmful it is to their body?
Why Tobacco Is Harmful
In this lesson, you will Learn About…
 How using tobacco products damages your
health.
 Why tobacco use leads to addiction.
 The harmful effects of smokeless tobacco.
 The dangers of secondhand smoke.
Why Tobacco Is Harmful
The Vocabulary terms in this lesson are:
 Nicotine
 Tar
 Carbon monoxide
 Addiction
 Emphysema
 Snuff
 Secondhand smoke
Tobacco Use: The Inside Story
Harmful substances found in tobacco and
their effects include:
 Nicotine: Increases the heartbeat and affects
the central nervous system
 Tar: Causes cancer and lung diseases
 Carbon monoxide: Reduces oxygen in the
blood
Tobacco: An Addictive Drug
The need for a drug or substance is
called addiction or dependency.
There are two kinds of dependency:
 Psychological, or mental: The user believes
that he or she needs a substance to feel
good.
 Physical, or chemical: The user’s body needs
the substance to function.
Stages of Tobacco Addiction
First
Use/Occasional
Use
Regular Use
Total
Dependency
Harmful Effects of Tobacco
Brain: Nicotine interferes with the flow
Skin: Smoking
of information between nerve cells
ages the skin.
Heart: Nicotine
Mouth, Teeth,
and Throat:
increases the heart rate
and causes blood
vessels to become
narrower.
Smoking leads to
bad breath
stained teeth.
Blood Vessels:
Carbon monoxide
from tobacco
reduces the amount
of oxygen carried in
the blood.
Lungs: The
tar in the
smoke coats
the inside of
the lungs so
they cannot
work
efficiently.
Stomach:
Fingers: Over
time tobacco
use can cause
the fingers to
yellow and
stain.
Bladder
Colon
Harmful
substances in
tobacco smoke
can lead to
stomach ulcers
and bladder and
colon cancers.
Smokeless Tobacco
Smokeless tobacco is either chewed in
coarsely ground form or used as snuff.
Smokeless tobacco is just as harmful as
tobacco that is smoked.
The nicotine in smokeless tobacco is just
as addictive as the nicotine in tobacco
that is smoked.
Smokeless Tobacco (cont’d.)
Health problems caused by smokeless
tobacco include:
 Cancerous white spots on the gums and
inside the cheeks caused by tobacco juice
 Sores in the stomach caused by swallowed
tobacco
 Bad breath and stained teeth
 Loss of the senses of taste and smell
Secondhand Smoke
Secondhand smoke is
tobacco smoke that
stays in the air.
Nonsmokers who
breathe in secondhand
smoke can develop the
same health problems
as smokers.
Reviewing Terms and Facts
Secondhand smoke is tobacco smoke
1. ________________
that stays in the air.
Reviewing Terms and Facts
2.Name three harmful substances found
in tobacco smoke, and describe the
effects of each one.
Tobacco smoke contains:
 Nicotine that increases the heartbeat and affects
the central nervous system
 Tar that causes cancer and lung diseases
 Carbon monoxide that reduces oxygen in the
blood
Thinking Critically
3.What would you do if you found yourself
in a smoke-filled room?
Vocabulary Review
Nicotine is a drug that speeds up the
heartbeat and affects the central nervous
system.
Vocabulary Review
Tar is a thick, oily, dark liquid that forms
when tobacco burns.
Vocabulary Review
Carbon monoxide is a poisonous, odorless
gas produced when tobacco burns.
Vocabulary Review
Addiction is the body’s physical or mental
need for a drug or other substance.
Vocabulary Review
Emphysema is a disease that occurs when
the tiny air sacs in the lungs lose their
elasticity, or ability to stretch.
Vocabulary Review
Snuff is a finely ground tobacco that is
inhaled or held in the mouth between the
lower lip and gum.
Vocabulary Review
Secondhand smoke is tobacco smoke that
stays in the air.
Fold a sheet of paper in half
along the short axis.
Open and fold the bottom
edge up to form a pocket.
Glue the edges.
Label the cover as shown.
Label the pockets “Causes”
and “Effects.” Place an index
card or quarter sheet of
notebook paper into each
pocket.
List and describe the causes and effects of tobacco
addiction on index cards or sheets of notebook
paper cut into quarter sections. Store these cards
in the appropriate pocket of your Foldable.
Rate your commitment to staying tobacco free.
Take the Health Inventory for Chapter 8 at
http://www.glencoe.com/qe/qe64.php?qi=1693