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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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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).

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Vaccines prevent between 2.5 and 4 million deaths every year.

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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
The physician uses two hands for deep bimanual palpation. The physician uses two hands for deep bimanual palpation.
Deep transverse friction (i.e., Cyriax friction) on an ankle ligament. Deep transverse friction (i.e., Cyriax friction) on an ankle ligament.
Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ... Lift sides of waist with deep effleurage strokes from the side. Move to opposite side and reach over ...
Probiotics are live microorganisms, usually bacteria, mainly found in cultured dairy foods Probiotics are live microorganisms, usually bacteria, mainly found in cultured dairy foods
Video: Summary of female reproductive cycle days 1-28

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