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Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.