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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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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.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Cellular Respiration Cellular Respiration
Polysaccharides that are polymers of glucose Polysaccharides that are polymers of glucose
An example of anaerobic respiration in E. coli An example of anaerobic respiration in E. coli
Cellular changes associated with short-term and long-term memory in the sea slug. Cellular changes associated with short-term and long-term memory in the sea slug.
Respiration Respiration
Cellular Components of Mammalian Blood Cellular Components of Mammalian Blood
Video: Interview with an Anorexic Woman (Part 1 of 2)

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