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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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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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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Species-rich floras of chalk grassland compared to species-poor floras of acid soils. Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
Orcinus citoniensis fossil, an extinct species of the same genus, Museo Capellini di Bologna Orcinus citoniensis fossil, an extinct species of the same genus, Museo Capellini di Bologna
Human, pilot whale and elephant brains up to scale. (1)-cerebrum (1a)-temporal lobe and (2)-cerebell Human, pilot whale and elephant brains up to scale. (1)-cerebrum (1a)-temporal lobe and (2)-cerebell
Parts of human nervous system Parts of human nervous system
Karl Marx (1818–1883) believed that the roots of human misery lay in class conflict, the ... Karl Marx (1818–1883) believed that the roots of human misery lay in class conflict, the ...
The human chromosome set The human chromosome set
Video: The primary factors that affect circulation - MABP, CO and SVR

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