Association of vitamin D and vitamin B₁₂ with cognitive impairment in elderly aged 80 years or older: a cross‐sectional study

Background The present study aimed to assess the association of vitamin D and vitamin B 12 with cognitive impairment in elderly people. Methods The data were obtained from a cross‐sectional study that included individuals aged 80 years or older living in the urban and rural areas of the cities of Siderópolis and Treviso in the state of Santa Catarina, Brazil. In total, 165 elderly people were included in the analysis. The outcome of cognitive...