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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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There are more sensory neurons in the tongue than in any other part of the body.