![Preventing Brain Loss with B Vitamins?](https://nutritionfacts.org/app/uploads/2015/07/Jul15-120x90.jpg)
Preventing Brain Loss with B Vitamins?
One week on a plant-based diet can significantly drop blood levels of homocysteine, a toxin associated with cognitive decline and Alzheimer’s disease. Without vitamin B12 supplementation, though, a long-term plant-based diet could make things worse.