We review the study ” Widespread vitamin D deficiency likely due to sunscreen use, increase of chronic diseases, review finds ” in regard to sunscreen being associated with mass vitamin D deficiencies. Citation: Vitamin D Deficiency, Its Role in Health and Disease, and Current Supplementation Recommendations. The Journal of the American Osteopathic Association, 2017; 117 (5): 301 DOI: 10.7556/jaoa.2017.055