Symptoms of deficiency are similar to other vitamin B deficiencies. Copper deficiency can manifest in parallel with vitamin B12 and other nutritional deficiencies. Vitamin deficiencies and malnutrition were prevalent. Decompensation describes an inability to compensate for these deficiencies. While other include both micronutrient deficiencies and protein energy malnutrition in its definition. The neurological and psychological symptoms can occur with only mild deficiencies. Other causes include dietary deficiencies, prolonged vomiting, eating disorders, and the effects of chemotherapy. Rates of micronutrient deficiencies are also high. Vitamin D deficiencies and UVR overexposure are concerns for many. Even minor deficiencies may cause permanent damage. Insurance companies cited an exclusion for correcting design deficiencies or faulty workmanship. Delayed puberty is thought to be a consequence of nutritional deficiencies. For this reason, there may be overlap in symptoms seen in these other electrolyte deficiencies. Immune deficiencies, including HIV and diabetes, can also cause bursitis. Hypomagnesemia may prevent the normalization of other electrolyte deficiencies.