Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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Illicit drug use costs the United States approximately $181 billion every year.
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Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mu
Testing the Chemical Characteristics of Urine with Reagent Strips
Chemical Reactions
Chemical structures of the pyrimidines and purines