There is no proof that exposure to lead causes Alzheimer's disease, a campaign group has claimed.
The announcement from the Alzheimer's Society follows research in the Journal of Neuroscience linking lead to the disease.
It is likely that a number of lifestyle and environmental factors can cause Alzheimer's disease or speed up its progression in some people, an Alzheimer's Society spokesman said.
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Financial penalties are being lifted from high-profile standards including cancer and elective waiting times, so far without attracting much attention. How is this happening? And will it work, asks Rob Findlay
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