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There are approximately 3 million unintended pregnancies in the United States each year.

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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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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Wood first appeared in plants called progymnosperms. Wood first appeared in plants called progymnosperms.
Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p
SHEEP BRAIN SHEEP BRAIN
Axons of sympathetic preganglionic neurons enter sympathetic trunk ganglia Axons of sympathetic preganglionic neurons enter sympathetic trunk ganglia
Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri
Video: Introduction to Genetics

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