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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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There are 60,000 miles of blood vessels in every adult human.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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The digital multimeter should be set to read DC volts and the red lead connected to the battery ... The digital multimeter should be set to read DC volts and the red lead connected to the battery ...
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Estimates of carbon stored in the plants and soils of different ecosystems. Estimates of carbon stored in the plants and soils of different ecosystems.
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