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Controversy over Vitamin Supplements
Scientists disagree over findings on long-term benefits of taking vitamin supplements
Reactions to findings that vitamin supplements have no impact on cardio-vascular disease and no long-term benefits generally.
Also: a new polio vaccination campaign in Chad, following the discovery of 26 polio cases there.
The world's first windpipe transplant, grown using a patient's stem cells.
How a psychologist's presence can make a major difference to a child's stay in hospital.
Podcast
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Health Check
Health issues and medical breakthroughs from around the world.