A father from Cambridge has helped launch a clinical trial into a drug which could prevent both his sons developing a serious genetic illness they are carrying.
Black Bone disease progresses during adulthood, and causes brittle bones and heart disease. Dr Nick Sireau gave up work four years ago to concentrate on finding a drug to stop its progress.
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There will be a few brighter break, mainly in the east, further west it will remain cloudy with showery outbreaks of rain