Study shows risk of dementia rises in men with depression

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Men with a history of depression have a significantly greater risk of developing dementia, according to a new study.

Italian researchers studied the relationship between premorbid symptoms of depression and the development of dementia and Alzheimer's disease over a period of 14 years in 1,357 participants in a study on aging.

Researchers measured the frequency and severity of depression symptoms in the participants every two years and found that the risk of dementia, especially Alzheimer's disease, was almost two times greater in men with a history of depression than for those without a history of depression. No connection was made between depression and dementia in women.

A total of 76 men were diagnosed with dementia and 67 of them had Alzheiemer's, according to the study report published in the March issue of the Annals of Neurology.