Tens of millions of Americans take nutritional supplements. New studies allege some pills do not contain what is on the label. Other research indicates consumers may be ingesting too many vitamins. New concerns about dietary supplements.
Recent research suggests transplanted stem cells may be able to stimulate the re-growth of damaged tissues. The results of new experiments offer tantalizing prospects for the treatment of many types of debilitating brain diseases and injuries. A panel of scientists joins Diane to talk about the latest research in regenerative medicine.
- Dr. Ron McKay molecular biologist at the National Institutes of Health
- Dr. William Haseltine Human Genome Sciences
- Dr. John Gearhart Director, Institute for Regenerative Medicine, at the University of Pennsylvania
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