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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

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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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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Range of Motion of the Knee Joint: Flexion, Extension, and Hyperextension Range of Motion of the Knee Joint: Flexion, Extension, and Hyperextension
Extension, abduction, and dorsiflexion. Extension, abduction, and dorsiflexion.
Index card tickler file. Index card tickler file.
Use a grinder or a file to remove the mushroom material on the end of a punch or chisel. Use a grinder or a file to remove the mushroom material on the end of a punch or chisel.
Extension of telomeric DNA by telomerase: The overall reaction Extension of telomeric DNA by telomerase: The overall reaction
Video: Wound Care

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