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– http://

www.youtube.com/watch?v=pPtCZawoIbw&feature=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 smellsIncreases heart beat and blood pressureDrains a person’s energyDamages internal organsInterferes 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

• http://www.youtube.com/watch?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.– 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