THE GOOD NEWS
Providing a glimmer of hope in the AIDS fight, researchers have found that a small number of prostitutes in Kenya -- one of the worst-afflicted groups in one of the worst-afflicted countries -- are evidently immune to the virus. If the underlying reason can be found, it might help doctors understand and even cure the disease.
A newly identified chemical can trigger the release of extra growth hormone from pituitary cells. Children deficient in the hormone now take injections of extra growth hormone to ensure proper physical development, but these injections can cause side effects; the new substance...
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