Drug

Summary: Drugs are chemical substances that affect the way your body works. They change the Chemical Reactions that take place. As a result, some drugs can seriously harm you. These drugs are illegal in many countries, which means you are breaking the law if you take them. Tags: science student-book-7 biology Created: 2026-05-21 Last Updated: 2026-05-21

Drug

Drugs are chemical substances that affect the way your body works. They change the Chemical Reactions that take place. As a result, some drugs can seriously harm you. These drugs are illegal in many countries, which means you are breaking the law if you take them.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Biology/Health and Lifestyle/3.6 Harmful substances.md), Biology section.