(Alamy ) Vitamins A, C, D, E and K and the eight B vitamins each have specific job in the body.
How a Vitamin a Day Helps Boost Memory
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OCTOBER 07, 2012
Roger Dobson, Daily Mail

According to new studies, taking supplements has a beneficial effect on memory and may work by increasing efficiency of brain cells. One study showed that after just four weeks there were measurable changes in electrical activity in the brain when carrying out memory tests, not seen in a comparison group taking a placebo pill.
Read more: Daily Mail