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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.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.