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Author Question: Approximately what percentage of adolescents has smoked cigarettes? A) 10 B) 30 C) 50 D) ... (Read 44 times) |
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.