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Brain Power: Grades 2-3

Medicines and Drugs: What's Helpful, What's Harmful (Module 4)

You can also download this entire module in PDF format by clicking the following link: Module 4 (PDF, 6MB)


In modules 2 and 3, students learned about the parts of the brain and how information is sent throughout the body. This module focuses on drugs - powerful substances that can change both the way the brain functions and how the brain communicates with the body. Some drugs are helpful when used properly: they fall into the category of medicines. Other drugs may have a harmful effect on the body. The purpose of today’s activity is for students to begin to understand how different drugs can affect the body.

Learning Objectives

  • Students learn about different drugs and how they affect the body.
  • Students classify drugs and their effect on the body into two groups: helpful medicines and harmful drugs.
  • Students think about whether any drugs can be both helpful and harmful.

This page was last updated September 2012

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NIDA. (2012, September 1). Brain Power: Grades 2-3. Retrieved from https://www.drugabuse.gov/publications/brain-power/brain-power-grades-2-3

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NIDA Notes: The Latest in Drug Abuse Research

Brain Power Video Modules: Grades 2-3

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