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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Salt glands as an adaptation for marine life. Salt glands as an adaptation for marine life.
Insect species diversity on British host trees supports the area hypothesis. Insect species diversity on British host trees supports the area hypothesis.
The Dugong is an endangered species; the largest remaining population is found in Australian waters The Dugong is an endangered species; the largest remaining population is found in Australian waters
Internal and External Environment Internal and External Environment
Structures formed by phospholipids in an aqueous environment. Structures formed by phospholipids in an aqueous environment.
Average Number of Hours Slept per Day by Various Mammalian Species Average Number of Hours Slept per Day by Various Mammalian Species
Video: DNA Replication Factory and Protein

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