Autism spectrum disorder is a neurodevelopmental condition affecting interactions with others, communication, behavior, and how people learn. It can be diagnosed at any age, but its symptoms often appear in the first couple of years of life, potentially including social interaction difficulties and restricted or repetitive behaviors, interests, and actions.
Research suggests a combination of genetics and environmental causes, including older parental age and toxic exposures in utero, may heighten the risks of developing this condition. Numerous studies have proved that vaccines do not cause autism.
Estimates vary, but recent analysis suggests that about one in 31 children is autistic in America. Better screening for the condition and a broadened definition in 2013 (encompassing multiple disorders) have fueled a significant uptick in diagnoses.
Autism is defined as a “spectrum” because its symptoms and support needs vary significantly. While some autistic people are nonverbal and need lifelong care, others may be verbal and communicative but have trouble picking up social cues or have few noticeable symptoms at all.
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