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Elderly with depression, mild cognitive impairment more vulnerable to accelerated brain aging

Older adults with major depression have double the risk of developing dementia in the future compared with those who have never had the mood disorder, said senior investigator Meryl A. Butters, Ph.D., associate professor of psychiatry, Pitt School of Medicine. 

Link between vitamin D, dementia risk confirmed

Vitamin D deficiency is associated with a substantially increased risk of dementia and Alzheimer's disease in older people, according to the most robust study of its kind ever conducted. An international team found that study participants who were severely vitamin D deficient were more than twice as likely to develop dementia and Alzheimer's disease.

England records rise in dementia diagnoses

The number of people in England diagnosed with dementia has risen by 62% over seven years.

In 2013-14, 344,000 people received a diagnosis - up from 213,000 in 2006-07, when statistics were first collected.

Slow walking speed, memory complaints can predict dementia

A study involving nearly 27,000 older adults on five continents found that nearly 1 in 10 met criteria for pre-dementia based on a simple test that measures how fast people walk and whether they have cognitive complaints.

Smell and eye tests show potential to detect Alzheimer's early

A decreased ability to identify odors might indicate the development of cognitive impairment and Alzheimer's disease, while examinations of the eye could indicate the build-up of beta-amyloid, a protein associated with Alzheimer's, in the brain, according to the results of four new research trials.

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