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Answers
Narcotic – Originally referred to any substance that dulled the senses and relieved pain. Some people use the term to refer to all illegal drugs but technically, it refers only to opioids. Opioid is now the preferred term to avoid confusion
Drug— Drugs are substances that change a person's mental or physical state. They can affect the way your brain works, how you feel and behave, your understanding and your senses. This makes them unpredictable and dangerous, especially for young people. The effects of drugs are different for each person and drug.
General physical signs of addiction include but are not limited to:
Enlarged or small pupils.
Sudden weight loss or gain.
Bloodshot eyes.
Insomnia.
Unusual body odors.
Poor physical coordination.
Looking unkempt.
Slurred speech.