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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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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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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Schematic of typical animal cell depicting the various organelles and structures. Schematic of typical animal cell depicting the various organelles and structures.
The digestive system. The digestive system.
Functional divisions of the nervous system. Functional divisions of the nervous system.
A typical aboveground oil storage tank. A typical aboveground oil storage tank.
A typical fuel tank installation. A typical fuel tank installation.
Earth’s Climate System Earth’s Climate System
Video: Erythropoietin (EPO)

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