intro to drugs health science mr. sheldon. health journal what does it mean to “abuse”drugs?...
DESCRIPTION
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”TRANSCRIPT
Intro to Drugs
Health ScienceMr. 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.)