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 Disabilites These are congenital abnormailities or diseases which disrupt or delay the rate of growth, development or maturation in a certain individual. Sometimes these are referred to as learning disabilities but are not limited to only learning. Examples of developmental disabilites include but are not limited to: Attention Deficit Disorder (ADD) Dyslexia; Down's Syndrom or Mental Retardation; Learning Disorder; Learning Disability; Physical Disabilities. These disabilities are typically apparent at birth.