The U.S. Recommended Dietary Allowance for Vitamin D is 600 to 800 International Units (IU) per day for most adults. However, the research team found that these amounts are often not enough. In some ...
The workforce productivity impact of inaction is equally concerning. Vitamin D deficiency contributes to fatigue, musculoskeletal pain, and weakened immunity, leading to increased absenteeism and ...
It is well known that bright-light therapy can bring quick benefits to ... between summer light and winter levels of vitamin D. Light stimulates the production of cholecalciferol, which the ...