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There are more sensory neurons in the tongue than in any other part of the body.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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The longest a person has survived after a heart transplant is 24 years.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig
Attributed to Apollodorus, Column of Trajan, Rome (detail). Attributed to Apollodorus, Column of Trajan, Rome (detail).
Symptoms and Signs Associated with Damage to Nerves in Different Areas of the Spinal Column Symptoms and Signs Associated with Damage to Nerves in Different Areas of the Spinal Column
Prove the following arguments using the two-column format. Prove the following arguments using the two-column format.
Prove the following arguments using the two-column format. Prove the following arguments using the two-column format.
A Bat Ray cruising through the water column below the "sunburst." Bat Rays are types of ... A Bat Ray cruising through the water column below the "sunburst." Bat Rays are types of ...
Video: Chronology of leptin research (A history of leptin research)

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