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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Medication errors are three times higher among children and infants than with adults.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro
The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen
Procedures and Diagnostic Tests Related to the Ear Procedures and Diagnostic Tests Related to the Ear
A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ... A typical good oxygen sensor waveform as displayed on a digital storage oscilloscope. Look for ...
Functional Groups of Carbon Functional Groups of Carbon
Incidence of Down syndrome births related to maternal age Incidence of Down syndrome births related to maternal age
Video: Coronary Heart Disease

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