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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).
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.