1. Test next Friday 12/12: Nervous System, Tobacco and Alcohol use
Aim: What is Tobacco and what are the health risks involved in smoking?
Do Now: Which government department decides what drugs are legal and illegal?
Hand in HW
Test next Friday 12/12: Nervous System, Tobacco and Alcohol use

2. Tobacco Crumbled Tobacco leaves Rolled Tobacco leaves Grounded Leaves
Can be smoked, inhaled, “snuff” or chewed

3. Health Warnings
Smoking causes heart disease, emphysema, and may cause lung cancer
Cigarette smoke contains carbon monoxide
Smoking by pregnant women may result in fetal injury, premature birth and low birth weight
Quitting smoking now greatly reduces serious risks to your health

4. Discussion
Take a look again at the various health warning used on cigarette labels.
Do you feel these are sufficient labels? Why or why not?
How might you improve these labels?

5. How things have changed….
Before 1964… Currently…
50% Males
50% Females
27.4% Males
23.3% Females

6. Activity
Together with a partner create a list of reasons why teens may choose NOT to smoke
Then, create a list of reasons why teen may choose TO smoke

7. Cigarettes and Advertisement

8. Remember what you do now could affect the rest of your life…

9. Aim: What is nicotine and how does it affect the body?
Do Now: How has the rate of people smoking changed in recent years?
Next week AIDS Awareness
Test next Friday moved to 12/19: Nervous system, Tobacco and Alcohol use

10. What is Nicotine World’s most widely used drug
No therapeutic application
Very powerful poison
Can be + or neutral: Which one do you think has an easier time being absorbed by the body? Why?
Deadliest drug with an LD of about 60mg
Kills in minutes
If you could absorb all of the nicotine in just two cigars you would die

11. Factors affecting Nicotine Absorption
Number of and duration of puffs
Volume of smoke taken in
The length of the cigarette
The number of cigarettes smoked in a certain amount of time

12. Cigarettes Contain an average of 0.5 to 2.0 mg of nicotine
10% of which is inhaled and absorbed
Lungs absorb nicotine faster than IV
Reaches the brain in about 10 seconds
Crosses BBB in 90 seconds

13. Nicotine and its affect on the Nervous System
Classified as a Stimulant
Increases production of adrenaline and stimulates sympathetic nervous system
Interferes with action of the neurotransmitter Acetylcholine (Ach)
In small doses it acts as an agonist and in high doses as an antagonist another way to say this is it excites the Ach and then inhibits it  

14. What does ACh do? Excite Muscles Controls Muscles in the lungs
Targets organs of the parasympathetic system

15. Synaptic Animation

16. Aim: How does Nicotine affect the Nervous System?
Do Now: What type of drug is nicotine classified as? What part of the nervous system is mainly affected by it?
HW due tomorrow Read pgs questions 1-4

17. Nicotine and its affect on the Nervous System
Classified as a Stimulant
Increases production of adrenaline and stimulates sympathetic nervous system
Interferes with action of the neurotransmitter Acetylcholine (Ach)
In small doses it acts as an agonist and in high doses as an antagonist another way to say this is it excites the Ach and then inhibits it  

18. What does ACh do? Excite Muscles Controls Muscles in the lungs
Targets organs of the parasympathetic system

19. Synaptic Animation

20. Affects of Nicotine on the Body…
Dizziness
Nausea
Faintness
Clammy Skin
Vomiting
Diarrhea
Rush of Adrenaline
Increase Blood Pressure
Constriction of Blood Vessels—cold extremities and lower body temperature

21. What else is in those Cigarettes?
Carbon Monoxide: The hemoglobin hog!
Tars: The Cilia Killer!
Health Advisory: Low-tar, low nicotine cigarettes DO NOT WORK!
Smokeless Tobacco Cigarettes don’t work either!

22. Aim: What are the long term effects of smoking?
Do Now: How does nicotine affect AcH receptor sites?
Hand in HW
Aids Awareness week starting Monday
Test on 12/19: Neurons, Alcohol and Smoking

23. Effects of Tobacco Smoke
Heart Disease
Atherosclerosis
Stroke
Cancer
Leukoplakia
Chronic Lung Disease
Bronchitis
Emphysema

24. Warning: Some Slides are Disturbing