Substance Interaction Matrix

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1. Alcohol — Alcohol can impair judgment, coordination, memory, and breathing at high exposure.
2. Nicotine — Nicotine can increase heart rate, affect attention and mood, and produce dependence.
3. Cannabis — Cannabis can affect memory, attention, coordination, judgment, and anxiety.
4. Stimulants — Stimulants can increase alertness, heart rate, temperature, anxiety, and sleep disruption.
5. Opioids — Opioids can relieve pain but can also slow breathing and cause dependence or overdose.
6. Medications — Medicines have intended effects, side effects, and interaction risks.

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