Chapter 11 Medicine/Alcohol/Drugs/Nervous System

Do Now Do you read the label on an over-the- counter 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 Beer 12 oz Wine 4 oz Mixed Drink 1.5oz

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