人们平常所说的“缺钙”,医学上称为维生素D缺乏性佝偻病,简称佝偻病。以往的观点一直认为佝偻病仅是一种营养缺乏性疾病,而现在的新观点则认为,它既是营养缺乏性疾病,又是代谢性疾病,同时也是一种生物—社会性疾病。它与诸多社会因素如地理(纬度)、季节、气候、环境污染、居室 People commonly referred to as “calcium deficiency”, medically known as vitamin D deficiency rickets, referred to as rickets. Historically, rickets has long been considered a nutritional deficit, and new insight now considers it both a nutritional deficiency and a metabolic as well as a biosocial disorder. It is associated with many social factors such as geography (latitude), season, climate, environmental pollution, living room