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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
The meninges. This figure illustrates the location and structure of each layer of the meninges and t The meninges. This figure illustrates the location and structure of each layer of the meninges and t
Cornea transplant Cornea transplant
Iridium-Rich Layer of Clay Iridium-Rich Layer of Clay
Diagram of a cell membrane. The cell membrane is a double layer of phospholipid molecules with ... Diagram of a cell membrane. The cell membrane is a double layer of phospholipid molecules with ...
The Subcutaneous Layer The Subcutaneous Layer
Video: Magnetic resonance imaging (MRI)

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