Nature editor Richard Van Noorden talks about how bias, error and, yes, even fraud, infect clinical trials – and what can be done to clean them up.
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A protein in blood could unlock youth
Journalist Eilene Zimmerman joins us to discuss the protein known as GDF11, which has sometimes shown promise stimulating the growth of the brain and blood vessels.
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The Cost Of Sloppy Science
Science journalist Richard Harris joins us to talk about the money lost from ill-conceived medical experiments.
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