Wed, Aug

Vitamin B can halve the rate of brain shrinkage and slow progression towards dementia - Reuters (article link)

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"mild cognitive impairment" -- a major risk factor for Alzheimer's disease and other forms of dementia -- affects around 16% of people aged over 70 worldwide and is characterized by slight problems with memory loss, language or other mental functions. -- around 50% of people diagnosed with it go on to develop Alzheimer's disease within five years.

- Volunteers were given either a vitamin pill containing very high doses of folic acid, vitamin B6 and vitamin B12, or a placebo dummy pill.
- The pills contained around 300 times the recommended daily intake of B12, 4 times daily advised folate levels and 15 times the recommended amount of B6.

On average the brains of those taking the vitamin treatment shrank at a rate of 0.76% a year, while those taking the dummy pill had an average brain shrinkage of 1.08%.

B vitamins found to slow progression of dementia

(Reuters) - Daily tablets of large doses of B vitamins can halve the rate of brain shrinkage in elderly people with memory problems and may slow their progression toward dementia, data from a British trial showed on Wednesday,