Health Report: Sep. 6, 1993


A new blood test to detect prostate cancer in its very earliest stages works far better than old-fashioned, unpleasant rectal examinations. In a recent study the newer method, called a prostate-specific antigen test, detected almost twice as many tumors as a manual exam.

When a mother has Rh-negative blood and her fetus has Rh-positive (thanks to the father), the baby can actually be allergic to the mother, with health problems ranging from anemia to death. But a test that uses biotechnology to detect key proteins in the tiniest samples of blood can now determine the child's Rh status...

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