Certain B vitamins such as folic acid , vitamin B6 and vitamin B12 , are known to control levels of the amino acid homocysteine in the blood . Vitamin B could halve the rate of brain shrinkage in those with mild cognitive impairment . The study was published online by Nature Medicine on December 22, and is available for free download from Nature.com. The benefits of certain B vitamins are already known . Researchers caution that further and larger studies are needed to confirm the results .
Vitamin B could halve the rate of brain shrinkage in those with mild cognitive impairment . The study was published online by Nature Medicine on December 22, and is available for free download from Nature.com. The benefits of certain B vitamins are already known . Researchers caution that further and larger studies are needed to confirm the results .