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Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

These species are all at risk of extinction. Species with slow life-h These species are all at risk of extinction. Species with slow life-h
These species are all at risk of extinction. Species with “slow” life-h These species are all at risk of extinction. Species with “slow” life-h
Principal Characteristics of REM and Slow-Wave Sleep Principal Characteristics of REM and Slow-Wave Sleep
Slow-Wave Sleep and Learning Slow-Wave Sleep and Learning
16.23 Slow-Wave Sleep Deprivation 16.23 Slow-Wave Sleep Deprivation
Slow-wave sleep Slow-wave sleep
Video: Magnetic resonance imaging (MRI)

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