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Ian Johnston – People with early signs of Alzheimer’s more than seven times more likely to be lonely

Loneliness could be a factor in Alzheimer’s disease, according to new research. Researchers used brain-imaging techniques to determine levels of amyloid – a protein associated with the disease – in the brains of a group of 79 apparently healthy people with an average age of 76. They then compared this to a test designed to find out how lonely someone …