Within all the people who go to their doctor with neck cramps or spasms, 67% report having neck pain, 46% report having back pain, and 33% report having shoulder cramps or spasms.
Definition of âDevelopmental Disabilityâ A developmental disability is a severe, chronic disability which: Is attributable to a mental or physical impairment or combination of mental and physical impairments, and Is manifested before the person attains age 22, and
Intellectual and Developmental Disabilities (IDDs): Overview. Intellectual and developmental disabilities (IDDs) are a primary focus of the NICHDâs research support. IDDs include a variety of different types of disabilities and disorders, including those that affect the nervous system, metabolism, and cell function and survival. The NICHD supports and conducts research to understand the causes and effects of IDDs and to help identify effective therapies for these disorders.