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Polling     Can political polls predict the future? Can we ever understand them? During campaign season, Americans are awash in political polls and statistics. From If You're Going to Poll http://whyfiles.org/009poll/

Nicotine junkies     Addiction. Still smoking that tobacco? In the midst of a battle royale over tobacco, nicotine and smoking, scientists have found striking evidence that heroin, cocaine and nicotine affect the same part of the brain. Statistics and information. From Smoke gets in your eyes http://whyfiles.org/024nicotine/

Stock market     What goes up must come down. In early 1997, the Dow Jones plunged almost 10 percent from a recent peak. Can anybody predict the stock market? From Caution: Dip Ahead http://whyfiles.org/037wall_st/

When kids kill     Death at School. Why are kids killing kids? How dangerous are our schools? Some statistics and psychological speculation. From School violence http://whyfiles.org/065school_violence/

Alternative medicine     The uneasy relationship between conventional and alternative medicine. Some charts and data on types of medical treatments. From Alternative medicine under the microscope http://whyfiles.org/076alt_med/