Tobacco. Health Stats This graph shows how the percentage of 10th graders and 12th graders who smoke has changed. What does this graph reveal about the popularity of smoking among high school students?. Examining Advertising Tactics. Identify the tactics being used to sell the product. Humor.
Health StatsThis graph shows how the percentage of 10th graders and 12th graders who smoke has changed.
What does this graph reveal about the popularity of smoking among high school students?
Identify the tactics being used to sell the product.
Identify the ad’s target audience.
Identify the ad’s message.
Stimulants are drugs that increase the activity of the nervous system.
Once in the blood, nicotine reaches the brain within seconds.
By mimicking neurotransmitters, nicotine affects breathing, movement, learning, memory, mood, and appetite.
The major short-term effects of nicotine use are increased heart rate, increased blood pressure, and changes in the brain that may lead to addiction.
• Increases activity level
• Mimics neurotransmitters
• Decreases some reflex actions
• Activates the brain’s “reward pathway”
Effects of Nicotine
• Increases heart rate and the force of contractions
• Increases blood pressure
• Reduces blood flow to skin
• Increases risk of blood clotting
• Increases mucus production
• Decreases muscle action in the lungs’ airways
• Causes breathing to become more shallow
• Increases saliva production
• Decreases the amount of insulin released from the pancreas
• Increases bowel activity
Ongoing use of nicotine causes the body to develop a tolerance to nicotine.
As tolerance increases, nicotine addiction develops.
The time it takes to become addicted depends on several factors including genetics, frequency of use, and age.
Studies show that teens become addicted faster and more intensely than adults.
Tobacco use may become a habit used to cope with stressful situations.
It may become associated with social situations.
Symptoms of nicotine withdrawal include:
Withdrawal effects may begin as soon as 30 minutes after the last dose of nicotine.
Smokeless tobacco contains many of the same dangerous chemicals that are in tobacco smoke.
Smokeless tobacco is at least as addictive as cigarettes.
Smokeless tobacco also has a number of short-term effects
Quick Quiz All of the following statements are true except for one. Which statement do you think is false?
In the United States, over 400,000 people die from smoking each year.
Children of people who smoke have a greater risk of developing asthma.
Scientists have developed cures for chronic bronchitis and emphysema.
Smokers die about 13 years earlier than nonsmokers.
Smokeless tobacco increases one’s risk of cardiovascular disease.
Explain why you gave the answer that you did.
Switch to QuickTake version of the quiz.
Cells that line the respiratory tract have hairlike extensions called cilia.
Tar sticks to the cilia, prevents them from moving, and damages them over time.
Tobacco smoke and other accumulating toxins irritate the lining of the bronchi.
Chronic obstructive pulmonary disease (COPD) is a disease that results in a gradual loss of lung function which makes it hard to breathe. Coughing up mucus is often the first sign of COPD.
Chronic bronchitis and emphysema are common COPDs.
Tobacco use is a major factor in the development of lung cancer and oral cancers.
Long-term exposure to secondhand smoke can cause cardiovascular disease, many respiratory problems, and cancer.
Each year, secondhand smoke causes close to 40,000 deaths from heart attacks and lung cancer.
Each year, secondhand smoke contributes to about 300,000 respiratory infections in children younger than eighteen months.
Children who are exposed to secondhand smoke are more likely to develop allergies and asthma.