Section VII: Population Studies: Vitamin D Deficiency, Nutrition, Sunlight, Genes and Trials 56. Methods of Evaluating Population Studies of Vitamin D: Strengths and Weaknesses; 57. Worldwide Vitamin D Status; 58. Vitamin D in Foods: An Evolution of Knowledge; 59. Determinants of Vitamin D Deficiency from Sun Exposure: A Global Perspective; 60. Vitamin D Fortification and Supplementation Policies to Correct Vitamin D Insufficiency/Deficiency Globally; 61. Vitamin D and Food Fortification; 62. Therapeutic applications of 25-hydroxyvitamin D; 63.

Bariatric Surgery, Vitamin D, and Bone Loss; 64. Genetic contribution to vitamin D status; 65. Mendellian randomization in the vitamin D system and human health; 66. Debate: Despite the failure of recent vitamin D supplementation trials, more supplementation studies are required Section VIII: Disorders 67. Vitamin D Deficiency and Nutritional Rickets in Children; 68. Vitamin D and Osteoporosis; 69. Adult Vitamin D Deficiency: Fracture and Fall Prevention; 70. Randomized Clinical Trials and Bone Health; 71.

Clinical Disorders of Phosphate Homeostasis; 72. Vitamin D Hydroxylation-Deficient Rickets, Type 1A: CYP27B1 Mutations; 73. CYP2R1 and Vitamin D-Dependent Rickets Type 1b; 74. Infantile Hypercalcemia and CYP24A1 Mutations; 75. Hereditary 1,25-Dihydroxyvitamin D Resistant Rickets; 76. Vitamin D and Organ Transplantation; 77. The Role of Vitamin D in Type 2 Diabetes Mellitus and D2d Trial; 78. Vitamin D, Obesity, and the Metabolic Syndrome; 79.

Liver Metabolism and Disease; 80. Vitamin D, Cardiovascular Disease, and Hypertension + ViDA and VITAL Study; 81. Vitamin D and Renal Disease (including analogs); 82. Idiopathic Hypercalciuria and Nephrolithiasis; 83. Hypercalcemia Due to Vitamin D Toxicity; 84. The Hypocalcemic Disorders; 85. Vitamin D and Paget's Disease Section IX: Vitamin D Analogs 86. Design and Synthesis of Vitamin D Analogs; 87.

Analogs of Calcitriol; 88. Nonsecosteroidal Ligands and Modulators of Vitamin D Receptor; 89. Bile Acid-Derived Vitamin D Receptor Ligands; 90. Bifunctional Vitamin D Hybrid Molecules; 91. Modulating Vitamin D Receptor-Coregulator Binding with Small Molecules; 92. Vitamin D Receptor Antagonists Section X: Vitamin D and Cancer 93. Overview of Vitamin D Actions in Cancer; 94. Vitamin D Status and Cancer Incidence, Mortality, and Prognosis; 95.

Effects of Vitamin D Derivatives on Differentiation, Cell Cycle, and Apoptosis in Hematological Malignancies; 96. Vitamin D Inflammation and Cancer; 97. Vitamin D Actions in Mammary Gland and Breast Cancer: Genomics, Metabolism, and Stem Cells; 98. The Antitumor Effects of Vitamin D in Genitourinary 99 - Vitamin D and Colon Cancer; 100. Vitamin D and Skin Cancer; 102. Sunlight Protection by Vitamin D Compounds Section XI: Immunity, Infection, Inflammation and Associated Diseases 103. Vitamin D and antibacterial immunity; 104. Vitamin D and antiviral immunity; 105.

Vitamin D and Adaptive Immunology in Health and Disease; 106. Vitamin D and the Microbiome; 107. Vitamin D and Tuberculosis; 108. Vitamin D and Type I Diabetes Mellitus; 109. Vitamin D and Immunomodulation in Multiple Sclerosis; 110. Vitamin D and the Epidemiology of Multiple Sclerosis; 111. Vitamin D and Inflammatory Bowel Disease; 112. Vitamin D and Rheumatoid Arthritis; 113.

Psoriasis and Other Skin Diseases; 114. Vitamin D, Asthma/Chronic Obstructive Pulmonary Disease; 115. Vitamin D and Acute Illness; 116. Vitamin D and Acute Respiratory Infection; 117. Vitamin D and Covid-19.