Sublingual B12 raises blood numbers. It has never been shown to protect a single nerve. There is no reason to think it prevents permanent nerve damage.
neurological damage
PA and B12 Deficiency Run in Families
Pernicious anemia has documented familial prevalence. First-degree relatives of PA patients carry a risk four times higher than the general population, and among siblings the figure is higher still — roughly six times the baseline rate. This reflects shared genetic architecture that shapes immune function across generations. B12 deficiency more broadly also clusters in families … Read more
Pernicious Anemia Is Serious
Pernicious anemia is a progressive neurological disease. Without adequate treatment, it causes permanent nerve and spinal cord damage. This guide explains what’s at stake, why early treatment matters, and how to stay motivated when care is difficult to obtain.
What Stops People from Getting Well?
People with pernicious anemia often resist treatment even though the long term neurological and health consequences are horrible. This article examines the psychological, cognitive, and systemic barriers that delay care—and how those barriers compound neurological damage over time.