Students facing a homework assignment often find it helpful to gather a little background information before tackling a topic in detail. Many adults take a similar approach when beginning to contemplate the pros and cons of using animals in biomedical research. The following questions are among those most frequently asked by folks who are new to this issue. Each page ends with links to sites providing even more information.

• Why are animals needed in research?
• What about using fewer animals or no animals?
• Why do we need product and environmental safety research?