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Author Question: The probability is 0.7 that a person shopping at a certain store will spend less than $20. For ... (Read 35 times) |
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.
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.