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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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The human body produces and destroys 15 million blood cells every second.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

External and internal male genitalia. External and internal male genitalia.
Internal structures at the front of the eye. Internal structures at the front of the eye.
One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ... One target for expanding medical services involves vaccinations. Only 78 percent of children ages 19 ...
CPT Modifiers Used for Medical Office Services CPT Modifiers Used for Medical Office Services
External ear External ear
Bacteria with Internal Membranes Bacteria with Internal Membranes
Video: Bone tissue types - compact and spongy

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