The Curious Case of Vitamin D and Brain Health: A Study Worth Revisiting

Recently, the German journal FITBOOK ran an article discussing a study that examined the relationship between Vitamin D levels in brain tissue and cognitive function. The Fitbook assessment is a good example of this phenomenon. It appears to happen frequently for vitamins and dietary supplements. Unfortunately, the same issue affects general food as well. Is meat bad for you or not? In the end, a balanced diet with all the necessary nutrients seems most reasonable, rather than chasing specific superfoods. Upon closer inspection, however, it falls short in several ways. Here’s a breakdown of the study’s key limitations and why its findings need to be taken with a hefty pinch of salt.