Vitamin B12 as Protection for the Aging Brain - The New York Times
The House of Life - Let's talk about B12! Symptoms of vitamin B12 deficiency can often go unnoticed for a long period of time. This is when problems begin to arise and
Vitamin B12 deficiency can cause psychosis - a story from France (and one from India)
Why it's not a good idea to keep vitamin B12 a secret: case report of psychosis in Bangalore
Vitamin B12 - An Overview
Vitamin B12, Vitamin B6, Folic Acid and Psychosis: A Review - ISOM