新研究表明，兒童早期維生素B12狀態不佳對兒童的神經發育和認知表現有長期的影響。
不幸的是，有許多國家維生素B12缺乏是常見的。
New research shows that poor vitamin B12 status in early childhood has a long-term impact on the neurodevelopment and the cognitive performance of children.
Unfortunately, there are many countries where vitamin B12 deficiency is common.