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Author Question: After two half-lives, the activity of a sample is four times the initial activity. (Read 44 times) |
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.