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Did you know?

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.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Location of major biodiversity hot spots around the world. Location of major biodiversity hot spots around the world.
Old-growth redwood forest in western North America. Redwoods are the tallest trees in the world, wit Old-growth redwood forest in western North America. Redwoods are the tallest trees in the world, wit
Underwater World Underwater World
Global Stratification: Income of the World's Nations Global Stratification: Income of the World's Nations
Examples of Muds and Clays from the United States and Around the World Examples of Muds and Clays from the United States and Around the World
The Vast World Ocean The Vast World Ocean
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

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