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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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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Cambrian trilobite, with a shell made of calcium carbonate. Cambrian trilobite, with a shell made of calcium carbonate.
Walrus using its tusks to hang on breathing hole in the ice near St. Lawrence Island, Bering Sea Walrus using its tusks to hang on breathing hole in the ice near St. Lawrence Island, Bering Sea
Breathing Concept Map Breathing Concept Map
When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive
Keep the spine straight while sitting down. Keep the spine straight while sitting down.
The profit, p(t), made at a fair depends on the price of the ticket, t. The profit is modelled ... The profit, p(t), made at a fair depends on the price of the ticket, t. The profit is modelled ...
Video: Rh blood type and complications during pregnancy & Fertilization

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