5) Explore what you already know. Access Leading Issue summaries ("Topic Overview" or "At Issue" Pages)

• Surprising facts or statistics
• Animal testing decreased during 1973 to 2001.
• Animals test our drugs for our pain relief.

• The extent of the problem
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• Tmportant people or institutions involved

• Key schools of thought

• Common misconceptions
• Animals are geneticallly modified. 
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• Cbservations you've made

• Important trends

• Major controversies