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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Many seniors pursue new careers, education, and hobbies well beyond what used to be considered ... Many seniors pursue new careers, education, and hobbies well beyond what used to be considered ...
A goniometer is used to measure range of motion of the patient’s arm. A goniometer is used to measure range of motion of the patient’s arm.
A typical peak-and-hold fuel-injector waveform. Most fuel injectors that measure less than 6 ohms ... A typical peak-and-hold fuel-injector waveform. Most fuel injectors that measure less than 6 ohms ...
Set the meter to read ohms (V) and measure the resistance of the relay coil. The usual reading for ... Set the meter to read ohms (V) and measure the resistance of the relay coil. The usual reading for ...
Psychologists measure basic memory capacity Psychologists measure basic memory capacity
Video: Net filtration pressure and lymph formation, edema & blood velocity

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