Effects of Smoking on Health Prepared by Amr Said Dahroug.

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Presentation transcript:

Effects of Smoking on Health Prepared by Amr Said Dahroug

Background The effects of smoking on human health are known since early sixties and are considered serious and in many cases, deadly. There are approximately 4000 chemicals in cigarettes, hundreds of which are toxic.chemicals in cigarettes The ingredients in cigarettes affect everything from the internal functioning of organs to the efficiency of the body's immune system.ingredients in cigarettes The effects of cigarette smoking are destructive and widespread.

How smoking affect our bodies? Toxic ingredients in cigarette smoke travel throughout the body, causing damage in several different ways. Nicotine reaches the brain within 10 seconds after smoke is inhaled. It has been found in every part of the body and in breast milk. Nicotine Carbon monoxide binds to hemoglobin in red blood cells, preventing affected cells from carrying a full load of oxygen. Carbon monoxide

How smoking affect our bodies? Cancer-causing agents (carcinogens) in tobacco smoke damage important genes that control the growth of cells, causing them to grow abnormally or to reproduce too rapidly.carcinogens The carcinogen benzo(a)pyrene binds to cells in the airways and major organs of smokers. Smoking affects the function of the immune system and may increase the risk for respiratory and other infections.

Focus into damage causes There are several likely ways that cigarette smoke does its damage: – One is oxidative stress that mutates DNA, promotes atherosclerosis, and leads to chronic lung injury. Oxidative stress is thought to be the general mechanism behind the aging process, contributing to the development of cancer, cardiovascular disease, and COPD.atherosclerosisCOPD

Focus into damage causes The body produces antioxidants to help repair damaged cells. Smokers have lower levels of antioxidants in their blood than do nonsmokers. Smoking is associated with higher levels of chronic inflammation, another damaging process that may result in oxidative stress.

Complications Cancer Heart disease which holds the top slot in the list of diseases that kill smokers. High blood pressure

List of health complications due to smoking

Statistics On a global level, researchers report that there were 1,690,000 premature deaths from cardiovascular disease among smokers in the year There were approximately 850,000 lung cancer deaths during the same year, and 118,000 COPD deaths from smoking in 2001, worldwide.

How to Stop Smoking -Withdrawal.htm -Withdrawal.htm

sources ateddiseases/a/smokingrisks.htm ateddiseases/a/smokingrisks.htm