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Did you know?
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
![The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_11_208612424.jpeg)
![Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_45_12_20863285.jpeg)