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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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The human body produces and destroys 15 million blood cells every second.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

The small-scale distribution of different tree species in a Douglas-fir forest is determined by both The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
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
A Human Cell A Human Cell
Parrot Human (Solution) Parrot Human (Solution)
An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we An aryballe vase or decanter made for carrying body oils clearly demonstrates that ancient Greeks we
Functional MRI Scans These scans of human brains show localized average increases in neural activity Functional MRI Scans These scans of human brains show localized average increases in neural activity
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

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