PEOPLE with low levels of vitamin B12 may be at greater risk of developing Alzheimer’s disease. The finding supports previous research showing large doses of B vitamins might halve the rate of brain shrinkage.
and colleagues at the Karolinska Institute in Stockholm, Sweden, followed 271 healthy people aged 65 to 79 for seven years. The researchers measured the blood concentration of the amino acid homocysteine, high levels of which have been linked to negative effects on the brain, such as stroke. They also measured levels of active vitamin B12, which can decrease homocysteine levels.…
