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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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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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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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Everyone has one nostril that is larger than the other.

Detritivores are often classified according to their body size as microflora, microfauna, mesofauna, Detritivores are often classified according to their body size as microflora, microfauna, mesofauna,
U.S. Study on Identity Achievement With age, more young people are classified in identity achieveme U.S. Study on Identity Achievement With age, more young people are classified in identity achieveme
Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies Many ideologies stem from older theories. The ideas of the philosophers are simplified. Ideologies
An example of a cover letter sent in response to a classified ad. An example of a cover letter sent in response to a classified ad.
Drugs can be classified as prescription or over-the-counter (OTC) drugs Drugs can be classified as prescription or over-the-counter (OTC) drugs
Animated! Organisms are classified into groups according to their characteristics Animated! Organisms are classified into groups according to their characteristics
Video: Deafness Culture

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