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In 1864, the first barbiturate (barbituric acid) was synthesized.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.