A common blood thinner used to prevent blood clots in pregnant women is ineffective. That's according to Canadian researchers who found the drug Heparin that many women inject into their belly has no positive benefit for the mother or child. Doctors say the results will save many women from unnecessary pain during pregnancy.
Patients who are misdiagnosed with cancer after CT lung scans don't worry more than patients deemed healthy. That's according to a new Brown University study. CT scans often give false positives.. but researchers say patients who believe they have cancer do not report increased anxiety or a lower quality of life.
(Marlie Hall, CBS News)
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