This study, executed by the University of Riyadh, Saudi Arabia, investigated the relationship between vitamin D levels and the cognitive function of patients with multiple sclerosis (MS). 39 patients diagnosed with MS participated in this study. Patient information was collected and evaluated, and vitamin D levels were assessed. The researchers found that patients with MS had significantly lower vitamin D levels and impaired cognitive performance. For further details, please see the study.
Alhussain et al.