1. Smoking and Your Health
Chapter 11. 2

2. What’s in tobacco smoke?
Some of the most deadly chemicals in tobacco smoke are
TAR,
CARBON MONOXIDE,
and
NICOTINE.

3. TAR Dark sticky substance that forms when tobacco burns
Causes the cilia to clump together; prevents cilia from functioning

4. CARBON MONOXIDE Produced when substances in tobacco are burned
Colorless odorless gas

5. NICOTINE Stimulant drug
Increases the activities of the nervous system and heart (increases heart beats and blood pressure)
Addiction: physical dependence

6. HEALTH PROBLEMS AND SMOKING
Common health problems induced by smoking are
CHRONIC BRONCHITIS,
EMPHYSEMA,
And
LUNG CANCER.

7. CHRONIC BRONCHITIS
Irritation of breathing passages due to air passages being clogged by mucus. (air passages are smaller)
If the irritation continues for a long period of time it is chronic. This can cause permanent damage.

9. EMPHYSEMA
Serious disease that destroys lung tissue and causes breathing difficulties
For some people it becomes difficult to even blow out a match.

10. LUNG CANCER
Cigarettes contains more than 50 different chemicals that can cause cancer
The cancer cells take away space in the lungs that is used for gas exchange.

11. ATHEROSCLEROSIS
Physical condition in which chemicals from tobacco smoke are absorbed by blood vessels.
Those chemicals lead to a buildup of fatty material inside blood vessel.
High increase of potential for heart attacks

13. SMOKERS ARE MORE THAN TWICE AS LIKELY TO HAVE HEART ATTACKS.

14. PASSIVE SMOKING/2ND HAND SMOKE
Associated with the development of bronchitis and other respiratory problems in about 300,000 young children in the U.S. each year.