In November, the U.S. Preventive Services Task Force, a nongovernmental advisory panel of health experts, recommended that routine mammography for breast cancer screening start at age 50, not 40. It met with a chorus of objections. Lisa Schwartz, a general internist at the Dartmouth Institute for Health Policy and Clinical Practice in Lebanon, N.H., investigates such public health issues. She spoke recently with Science News biomedical writer Nathan Seppa.
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