What is the deficiency disease of calciferol?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                Worldwide, as many as 1 billion people are estimated to have vitamin D deficiency, a condition that can have serious health consequences. The primary deficiency disease of calciferol, or vitamin D, affects the bones, leading to conditions known as rickets in children and osteomalacia in adults.