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Medication errors are more common among seriously ill patients than with those with minor conditions.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Excessive alcohol use costs the country approximately $235 billion every year.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Vessels composed of vessel elements in xylem tissue. Vessels composed of vessel elements in xylem tissue.
Photo of the neck of a patient with non-Hodgkin’s lymphoma showing the swelling associated with enla Photo of the neck of a patient with non-Hodgkin’s lymphoma showing the swelling associated with enla
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Balloon angioplasty is used to open coronary vessels. Balloon angioplasty is used to open coronary vessels.
Lymphatic Capillaries Lymphatic Capillaries
Major blood vessels of the human cardiovascular system Major blood vessels of the human cardiovascular system
Video: Polysaccharides

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