Research Paper Title Genetically Low Vitamin D Concentrations and Increased Mortality: Mendelian Randomisation Analysis in Three Large Cohorts. Study Question Are genetically low 25-hydroxyvitamin D concentrations associated with increased mortality when a mendelian randomisation approach is used? Summary Answer Genetically low 25-hydroxyvitamin D concentrations were associated with increased all cause mortality, cancer mortality, and other mortality but… Read More