Some conditions, like atrophic gastritis or celiac disease, can block the absorption of B12, while vegan and vegetarian diets can lead to insufficient intake, as animal products are a main source of B12
Complement activation, evidenced by renal deposition of C3 and membrane attack complex components, is increasingly recognized as pathogenic
Loss of proteostasis Proteostasis, or the regulation of protein quality and function, declines with age, resulting in the buildup of misfolded proteins and cellular malfunction
It also consists of individuals who are or were affected in multiple endocrine neoplasia syndrome type 2 (MEN2)
These consultations can help adjust medications, interpret test results, and provide personalized care without the need to travel
But individual results vary widely