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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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).
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.