Transcript Alcohol/ Drug Notes

Chapter 11
Medicine/Alcohol/Drugs/Nervous
System
Do Now
• Do you read the label on an over-thecounter medicine before you take it? Why or
why not?
Drug
A substance other than food that changes the
structure or function of the body or mind.
Medicine
A drug that prevents or cures illness or eases it’s symptoms.
1. Prescription medicine – medicine that can be used
safely only with a doctor’s written permission
2. Over-the-Counter – medicines that you can buy
without a doctor’s prescription.
•
Side effect – reactions to medicines other than
the ones intended
Guidelines for Using Medicine Safely
1. Read the label (taken with food, empty
stomach, expiration date)
2. Take safety precautions (medicines
prescribed for you, out of reach of children.
Do Now
• What effects do you think using alcohol has
on a person’s body? Make a list of these
effects.
Alcohol
Drug created by a chemical reaction in some
foods, especially fruits and grains.
Effects on the Body
BRAIN
Short-term
• Impaired judgment
• Slowed reaction time
Long-term
• Brain cell destruction
Effects on the Body
HEART
Short-term
• Increased heart rate
Long-term
• Irregular heartbeat
• Heart muscle damage
Effects on the Body
LIVER
Short-term
• Liver filter process
unbalanced
Long-term
• Cirrhosis
• Cancer
• Death
Effects on the Body
KIDNEYS
Short-term
• Dehydration
• Headache
• Dizziness
Long-term
• Kidney failure
Effects on the Body
BLOOD VESSELS
Short-term
• Fake sense of warmth
Long-term
• High blood pressure
• Stroke
Effects on the Body
STOMACH
Short-term
• Vomiting
Long-term
• Ulcers
• Cancer
These are ALL EQUAL
Mixed Drink
1.5oz
Beer
12 oz
Wine
4 oz
Alcoholism
An illness characterized by a
physical and psychological
need for alcohol
Signs of Alcoholism
• Drunk often
• Drinks alone
• Stops participating in activities
so they can drink
• Acts like a different person
• Makes excuses for drinking
• Promises to quit but doesn’t
• Refuses to admit how much they
drink
• Experiences blackouts
Do Now
• Make a list of illegal drugs that you have
heard about. Jot down what you have heard
about them.
Important Definitions
• Drug abuse – use of a drug for non-medical
purposes
• Stimulants – speed up the body’s functions
(increased heart rate, breathing)
• Amphetamines – strong stimulants that
speed up the nervous system (heart attack,
brain seizures, death, irregular heartbeat)
Marijuana
Short-term
• Loss of memory
• Inability to speak
clearly
• Increased heartrate
Long-term
• Body development
problems
• Damage to lung tissue
• Inability to have
children
Important Definitions
• Cocaine and Crack (concentrated) –
stimulant (increased heart rate, lung
problems
• Depressants – slow down the body’s
functions and reactions (decreased heart
rate, depressed breathing, causes
sleepiness)
Do Now
• Make a list of healthful habits you can
develop to take care of your nervous system.
Parts of the Nervous System
Central Nervous System
• Brain command center
• Spinal cord relays
messages
Peripheral Nervous System
• Connects to the CNS
Ways to Keep the NS Healthy
1. Protect yourself from disease (vaccines)
2. Wear a helmet
3. Play it safe (do NOT dive in a shallow
pool)
4. Lift properly
5. Observe safety rules (seat belt)
6. Avoid alcohol/drugs
Do Now
• Jot down one physical, mental/emotional,
and social risk of using alcohol or other
drugs.
Reasons to Avoid Substance Abuse
•
•
•
•
•
Don’t show respect for yourself
Future means to much to me
Want to be in control
Alcohol/drugs can harm me
Using alcohol/drugs means breaking the
law
• True friends = don’t convince = use drugs
• Alcohol/drugs take energy away
Refusal Skills
• Say NO in a firm voice
• Tell why not
• Offer another idea
• Promptly leave
Alternatives
• Join school activity
• Volunteer
• Learn to do something new