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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.