Calcium is needed by the body to function properly. Calcium can affect your nerves, muscles, digestive tract, kidneys, and the way your heart functions. When the calcium level becomes too high, you may develop unusual symptoms. The calcium level in your blood is normally controlled by hormones, the kidneys, and bone.
Pervasive developmental disorders: Types list. The list of types of Pervasive developmental disorders mentioned in various sources includes: 1  Autism. 2  Asperger syndrome. 3  Childhood disintegrative disorder. 4  Rett's syndrome. 5  Pervasive developmental disorder not otherwise specified (PDDNOS) - also called atypical autism.
Developmental disability is a severe, long term disability that can affect cognitive ability, physical functioning, or both. These disabilities appear before age 22 and are likely to be life-long. The term âdevelopmental disabilityâ encompasses intellectual disability but also includes physical disabilities. Some developmental disabilities may be solely physical, such as blindness from birth.