Like most everything around vitamin D, the causality typically is backward. Vitamin D isn't improving these people's mental health, but it turns out that if you have a healthy life that involves ample outdoor activity, you are mentally healthier.
Consider migrant workers, who spend so much time under the hot sun picking veggies, what do their Vitamin D levels and other health metrics look like?
Consider migrant workers, who spend so much time under the hot sun picking veggies, what do their Vitamin D levels and other health metrics look like?