1. What are the symptoms of calcium deficiency? Calcium is one of the essential nutrients for the human body, especially important for infants and young children. If your baby is deficient in calcium, he may develop symptoms such as easy fractures, unhealthy teeth, and delayed growth and development. Moreover, if calcium is not supplemented in time, it may also lead to problems such as osteoporosis in adulthood. 2. Why are babies prone to calcium deficiency? 1. Unbalanced diet: If there are not enough calcium-containing foods in the baby’s diet,