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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

An example of polymorphism: the two colour variations found in the orchid Dactylorhiza sambucina. An example of polymorphism: the two colour variations found in the orchid Dactylorhiza sambucina.
Carnivorous plants, such as this pitcher plant (Sarracenia purpurea) are commonly found in bog habit Carnivorous plants, such as this pitcher plant (Sarracenia purpurea) are commonly found in bog habit
The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de
A recent study found that female baboons that groom each other are more likely to come to each other A recent study found that female baboons that groom each other are more likely to come to each other
Young Circumstellar Disks of Matter Young Circumstellar Disks of Matter
Video: Genetic terms Animation

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