You could just be short on sleep, or you could have a vitamin deficiency (or something else entirely!). Vitamin D is talked about a lot because it affects so many parts of the body. “Vitamin D plays a ...
Vitamin D supplementation (D3 or 25[OH]D) was likely not significantly associated with protection against acute respiratory infection.
Researchers from CHU Nîmes, Université Montpellier, and multiple MS centers in France have found that oral cholecalciferol in ...