GOOD NEWS
SPARE THE SCALPEL Parents aren't alone in having trouble figuring out if their kid's bellyache is really appendicitis. In up to 20% of cases, doctors operate only to find a perfectly healthy appendix. Now a study shows that examining the abdomen with ultrasound or a CAT scan is 94% accurate in diagnosing whether a sick child does or does not require surgery. One drawback: a nonradioactive dye must be administered through the child's rectum before a CAT scan can be performed.
KEY EXCHANGE A small but persuasive study suggests that a novel technique may help multiple sclerosis patients when...
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