"Unusual and Permanent Symptoms of Vitamin B12 Deficiency: A Clinical Evaluation"
A Reddit user shares their ongoing battle with B12 deficiency, revealing the severe impact it has had on their health, including neurological damage and ongoing numbness in their extremities. The deficiency was diagnosed as pernicious anemia, an autoimmune condition that affects the body's ability to absorb vitamin B12. The user's experience serves as a warning about the potential long-term consequences of untreated B12 deficiency, emphasizing the importance of timely diagnosis and treatment.