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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
There are more sensory neurons in the tongue than in any other part of the body.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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