Population Status of Vitamin B12 Values in the General Population and in Individuals with Type 2 Diabetes, in Southwestern Colombia.

Vitamin B12 (B12) is necessary for the proper functioning of the central and peripheral nervous systems. Although there is no exact definition for B12 levels, a value of 200 pg/mL is compatible with deficiency, 200-299 pg/mL is considered borderline, and 300 pg/mL is considered normal. In population studies, the prevalence of B12 deficiency ranges between 2.

Prevalence of Functional Alterations and the Effects of Thyroid Autoimmunity on the Levels of TSH in an Urban Population of Colombia: A Population-Based Study.

Background: The population prevalence of functional alterations and thyroid autoimmunity is high, and numerous genetic and environmental aspects have been described as triggering factors.

Objectives: The objective of this study was to determine the prevalence of functional alterations and thyroid autoimmunity in an urban population of Colombia.

Materials And Methods: It is a cross-sectional, population-based study (n = 9,638) conducted on an urban population of Popayán-Cauca-Colombia between February 5th, 2018, to December 11th, 2021.