Substance Combination Risk Lab

Open the interactive poster full screen

Use Explore mode to select a marker or section. Use Quiz mode to practice finding each idea.

  1. Unknown Strength — Unregulated products may contain unexpected ingredients or strength.
  2. Mixed Effects — Combining substances can amplify, mask, or change effects.
  3. Medication Interactions — Alcohol, drugs, supplements, and medicines can interact.
  4. Overdose Warning — Unresponsiveness, slow or stopped breathing, blue or gray skin, seizure, or severe confusion require emergency action.
  5. Get Help — Call emergency services and involve a trusted adult immediately.

Teachers and editors can open calibration mode to adjust overlay positions.