In New Gene Disorder, B12 Can’t Get to Cells, McGill University Study  
8/30/2012 7:22:20 AM

Scientists have identified a key gene in the transport of vitamins to cells—and discovered a genetic disease related to vitamin B12 deficiency. Some people have inherited conditions that leave them unable to process vitamin B12, which is essential to human health. As a result they are prone to serious health problems, including developmental delay, psychosis, stroke, and dementia.