Articles on Disease

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You don’t want a lone star tick, or any tick, to get to this point if you can help it. CDC via Smith Collection/Gado/Getty Images

How to avoid tick bites in your yard or while hiking in the woods, and what to do if one starts feasting on you

A tick disease researcher explains the risks and how she avoids bringing home ticks from both work and walking her dog in the woods. Lint rollers, tick checks and some types of chemicals play a role.
Legionnaires wait to testify before a special congressional inquiry in November 1976 into the cause of the mysterious disease. Bettmann/Bettman Collection via Getty Images

Legionnaires’ disease outbreak in Philadelphia in 1976 was mysterious and deadly – 50 years later, scientists know the cause but outbreaks continue

The source was a newly discovered bacterium called Legionella pneumophila that can thrive in household pipes, whirlpools, cooling units and outdoor fountains.

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