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Lack of vitamin D linked to higher dementia risk

Published on Aug 7, 2014 6:29 AM

WASHINGTON (AFP) - Older people who do not get enough vitamin D face a much higher risk of dementia or Alzheimer's disease, the largest study of its kind on the topic said Wednesday.

People get vitamin D from sunlight and from oily fish like salmon, tuna or mackerel, as well as milk, eggs and cheese. It is also available in supplement form.

Reporting in the journal Neurology, international researchers found that people who were severely deficient in vitamin D were more than twice as likely to develop dementia and Alzheimer's disease as people who got enough.

The findings were based on a study of 1,658 adults aged 65 and over, who were healthy and able to walk without assistance.

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