Transcript General Drug Info - Mr. Sheldon`s Health Class Website

Intro to Drugs
Health Science
Mr. Sheldon
Health Journal
What does it mean to “abuse”drugs?
Write at least 6 sentences.
Today’s Objectives:
1. Understand how drugs are taken into the
body.
2. Analyze the effects of Drug Abuse
Definitions
• Drug
• a chemical substance
that affects the
processes of the mind
or body.
• Psychoactive Substance
• A drug that changes
how one thinks or feels
• “Gets you high”
Drugs begin to affect someone when…
Blood
Brain
Fastest to slowest
1. Inhalation (Lungs)
2. Injection
3. Wet Skin (Mucus Membrane)
4. Ingestion (eating or Drinking)
5. Dry Skin
Drug Terms
• Dose – How much of a drug is taken
• Frequency – How often a drug is taken/used
• Duration – How long a person has used the
drug.
Higher Dose + Higher Frequency + Longer Duration
= HIGHER RISK FOR ADDICTION
Classifications
1. Stimulants – Speed up the brain and body
2. Depressants – Slow down the brain and body
3. Hallucinogens – Brain cannot identify reality
Signs of Addiction
• Tolerance – needing more of a drug (larger
dose or increased frequencey) to feel the
same effect.
• Withdrawal – uncomfortable physical or
mental feelings when use stops (headache,
tiredness, anger, depression, etc.)