Substance Use
What is Substance Use?
The use of alcohol, nicotine, marijuana, prescription medications, or other drugs in ways that can affect your health, safety, or decision-making
The brain develops until 26 years old, so substances can affect it differently than they affect adults.
Not everyone who tries a substance develops a problem, but early use increases risk of dependence
Myth vs Fact
Myth
Everyone drinks or uses drugs.
Fact
Many teens choose not to use alcohol or other substances, despite what they may say or how they may act.
Myth
It's safe to use prescription medications because they're prescribed by a doctor.
Fact
Prescription medications can be very dangerous if not used exactly as prescribed.
Myth
I can stop any time I want to.
Fact
Substance use alters brain chemistry, making it more difficult to stop than expected.
Substance Use
and the Brain
Effects of Substance Use on Mental Health
Substance use and the brain are closely connected.
Substances can:
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Worsen anxiety or depression
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Increase mood swings
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Trigger panic attacks
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Increase irritability
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Increase risk of suicidal thoughts
Some people use substances to cope with stress or emotional pain. While it may feel like it helps temporarily, it often makes mental health symptoms worse over time.
Short vs Long Term Effects of Substance Use
Short Term
Long Term
Impaired Judgement
Poor Coordination
Slowed Reaction Time
Memory Gaps
Changes to Heart Rate and Breathing
Changes in Brain Development
Increased Risk of Substance Use Disorder
Heart, Lung, and/or Liver Problems
Academic Difficulties
Ongoing Cognitive and Memory Problems
Peer Voices
Warning Signs of a Substance Use Problem
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Sudden changes in friend group
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Drop in grades
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Secretive behavior
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Mood changes
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Loss of interest in activities
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Smell of alcohol or smoke
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Missing medications
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One sign alone doesn’t always mean there’s a problem, but patterns matter.
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Signs of an Overdose
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Overdose is a medical emergency.
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Call 911 immediately if someone has:
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Slow or irregular breathing
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Blue or pale skin
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Vomiting while unconscious
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Cannot wake up
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Seizures
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Very slow heart rate
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Do not leave the person alone. Turn them on their side if they are unconscious.
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Getting help will not get someone in trouble. It can save their life.
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