Quote:
Originally Posted by sonick
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There's a lot of credibility issues with this study. The blending of vegetarians and vegans into a single study - two distinct diets on very different points of the spectrum. The small sample group skewing results - there are numerous possible contributing factors to brain shrinkage outside of vitamin deficiencies. I could go on.
The issues with the study aside, it's totally possible for even a vegan to intake the required amount of B12 through multi-vitamins and fortified food.