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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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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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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Clades and descent from common ancestor Clades and descent from common ancestor
Child with bacterial meningitis in an opisthotonic position. Child with bacterial meningitis in an opisthotonic position.
In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many
Selected Common Neurotransmitters Selected Common Neurotransmitters
Case of ONJ that occurred spontaneously. Note the white area, which is exposed necrotic bone. Case of ONJ that occurred spontaneously. Note the white area, which is exposed necrotic bone.
Staphylococcus epidermidis, a common colonizer of human skin. Staphylococcus epidermidis, a common colonizer of human skin.
Video: Electrocardiogram Examination

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