Health Report: May 2, 1994

THE GOOD NEWS

-- A study supporting the efficacy of breast-conserving surgery (partial mastectomy, lumpectomy) for cancer patients was questioned after revelations that some of the data had been falsified. But new research confirms that, other factors being equal, survival rates after the less disfiguring procedures are at least as good as rates after total mastectomy.

-- Contrary to earlier findings, a large-scale study shows no association between the pesticide DDT and breast cancer.

-- Researchers now believe that blood tests to detect fetuses with Down syndrome are useful alternatives to amniocentesis, which increases the risk of miscarriage.

THE BAD NEWS

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