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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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).