Severe vitamin B12 (cobalamin) deficiency may cause anemia, depression, paranoia, delusions, memory loss, and neurodegenerative diseases, but it is preventable and reversible. — Vitamin B12 deficiency is seen as a silent epidemic. This story covers the profound impact of inadequate B12 levels on physical and mental health, uncovering its prevalence among various demographics. I include nuanced symptoms, risk factors, preventative measures, and treatment methods. I invite you to navigate through the complexities of B12 deficiency, shedding light on the importance of awareness…