Taking a multivitamin every day can slow an elderly person's cognitive decline by about 60 percent, a study has suggested. Researchers at Wake Forest University in Winston-Salem, , who carried out the three-year study on 2,000 over-65s said the pills likely helped because they prevented deficiencies of nutrients like vitamin D and zinc — vital for brain health.It was the first-large scale research to suggest multivitamins can protect the brain in old age, but the scientists admitted more research is needed before they recommend elderly people to start using the pills daily.
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