The latest research into the link between germs and mental illness -- and what we all need to know.
Republican Senate leader Bill Frist broke with President Bush Friday on the stem cell debate, saying he would support expanded federal funding for stem cell research. Diane and her guests talk about the latest developments in the ethical, scientific and political debate over stem cell research.
- Fr. Tad Pacholczyk neuroscientist and director of education at the National Catholic Bioethics Center
- Dr. John Gearhart Director, Institute for Regenerative Medicine, at the University of Pennsylvania
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