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Transcript of TOBACCO
**most commonly enter the lungs through smoking**
(speeds body processes up)
Chemicals cause the heart to pump
because they decrease the oxygen in the blood and constrict blood vessels.
A chronic effect is a consequence that remains with a person for a long time
All Tobacco Products Contain Cancer-Causing Chemicals
Cancer: a disease in which
cells grow out of control and destroy healthy tissues
Smoking Causes About
% of all Cancers
A disease in which the lining of the
A disease in which the tiny
and the walls of the lungs are
A Disease of the Circulatory System
the blood vessels.
This makes it difficult for blood to flow = heart has to work harder
Can lead to heart attack or stroke
EFFECTS OF SMOKELESS TOBACCO
The mix of exhaled smoke and smoke from the lit end of the cigarette
Environmental Tobacco Smoke (ETS)
Nonsmokers who breath ETS can experience some of the same health problems that affect smokers
Nonsmokers who are around people who smoke have a higher risk of developing lung cancer and heart disease
Laws have been passed against smoking in public places to reduce people's exposure to ETS
These messages cause nicotine's effects
When nicotine attaches to a nerve receptor, the brain sends messages through the brain
When the effects wear off = withdrawal= "I need more"
Each Year, nearly
million people in the U.S. try to quite smoking. Only
% have long term success
Quitting is difficult because of physical and psychological dependence
Examples of Withdrawal: Anxious, Irritable, Tired
NICOTINE IS A POISON
When someone smokes their first cigarette they often feel dizzy and nauseated
After awhile the body becomes used to nicotine's effects and it takes more nicotine to have the same effect (TOLERANCE)
HOW TO SAY NO
several refusal strategies
Friends & Peers
Advertisements, Actors, Sports Stars
Cigarette Smoke contains thousands of chemicals