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New Hominid Fossil/ Hormone Replacement Therapy

Guests: Daniel E. Lieberman Associate Professor, Department of Anthropology, George Washington University Washington, DC Dr. Graham Andrew Colditz Professor of Medicine, Nurses' Health Study, Harvard Medical School Boston, Massachusetts Dr. Roberta Ness Associate Professor, Epidemiology, Medicine, Obsetrics and Gynecology Director, Women's Health Programs, University of Pittsburgh Pittsburgh, Pennsylvania A new study this week adds more confusion to the question of whether women should undergo long-term hormone replacement therapy. In this hour, we'll take a look at the study and other recent news on the risks and benefits of taking hormones at menopause. Plus, a new fossil find from Kenya shakes up the human family tree.

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