Tobacco. What is in a cigarette? Nicotine- – Highly addictive, naturally in tobacco – Raises heart rate and blood pressure and breathing rate – May cause.

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Presentation transcript:

Tobacco

What is in a cigarette? Nicotine- – Highly addictive, naturally in tobacco – Raises heart rate and blood pressure and breathing rate – May cause sweating, nausea and diarrhea Tar – Thick, sticky fluid produced when tobacco is burned – Starts as a gas, then becomes solid in lungs – Coats lungs so oxygen can’t be used by body – A carcinogen- it causes cancer Carbon monoxide – Odorless, colorless poisonous gas in tobacco smoke – =related =related

Tobacco Use Addiction can happen with a single use or over a longer period of time. 4 stages of addiction: – 1. First Use – 2. Occasional use – 3. Regular Use – 4. Addiction

How tobacco effects the body  Changes the way a person looks and smells  Increases heart beat and blood pressure  Drains a person’s energy  Damages internal organs  Interferes with body functions

The body Brain- nicotine causes smokers to become addicted Mouth, teeth and throat- bad breath, stained teeth, loss of senses, cancer & gum disease Lungs- blocks airways, impairs lungs, & lung cancer Skin- wrinkles & stained skin Fingers- stain Heart- clogging of arteries, increased blood pressure, heart attack & stroke Stomach, colon, bladder- ulcers & cancer Blood vessels- narrowed atch?v=SwYEFu-GKP4 atch?v=SwYEFu-GKP4

Diseases linked to Tobacco Cancer Emphysema Asthma Chronic bronchitis Respiratory infections

Cancer Abnormal cells grow and replace healthy cells High percentage of smokers get cancer – Lung, mouth, throat, breast, pancreatic, colon, bladder, kidney, liver

Emphysema The air sacs in the lungs become filled with tar and damaged The body doesn’t get enough oxygen More than 100k people die each year 90% of cases are caused by smoking

Other diseases Asthma- airways become narrowed or blocked making it hard to breath. Asthma – Caused by smoking or secondhand smoke in kids Bronchitis- mucus blocks the airway Other infections- colds & pneumonia – Smoking robs the body of vitamin C, weakening the immune system