Smoking and Your Health

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Presentation transcript:

Smoking and Your Health Chapter 11. 2

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

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

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

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

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

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.

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

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.

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

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

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.