Transcript 7th Grade Health Digestion

Nicotine Facts
Why do we teach kids
about smoking?
Cigarette Smoke
Chemicals found in cigarette smoke
 There are 100s of chemicals in the smoke
 The most dangerous are
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Tar
Nicotine
Carbon Monoxide
What is Tar?

Damage lung tissue
 Considered main cancer causing agent
What is Nicotine?
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Enters the body through smoking or chewing
Poison found in tobacco leaves
Effects the brain within four seconds of
entering the body
Narrows blood vessels
Creates addiction in the brain
Addiction and Tolerance
Addiction – the mental and physical need for a
drug
Tolerance – the body’s increasing need for a
drug to get the same effect.
Once you build up tolerance your body is
getting physically addicted.
Nicotine’s Effects
Short Term Effects
Long Term Effects
What’s the difference??
Short Term Effects
 Reduced
oxygen to the lungs and body
 Increased Heart Rate
 Increased Blood Pressure
 “Smokey” Cloths and Hair
 Cough
 Light-headed feeling from Nicotine Rush
Long Term Effects
Heart Disease
 Lung Cancer
 Mouth / Throat Cancer
 Bronchitis
 Emphysema
 Yellow Skin and Teeth
 Facial Wrinkles

Reasons to Quit

The body begins to repair itself as soon as a
person stops smoking.
 Heart Rate returns to normal after about 20
minutes without Nicotine.
 Second Hand Smoke no longer effects those
around you.
 Money is saved from the cost of smoking.
$7per day X 365 = @$2,550 per year
Second Hand Smoke

The dangers of second hand smoke are the
same as a regular smoker
 The amount and depth of inhalation
influences the degree of absorption.
If we can figure out why
people start, we can help
ourselves not start