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CDC Reports Autism Diagnoses Now 1 in 31 U.S. Children, Sparking Debate on Causes

While improved diagnostics are credited for the rise, HHS Secretary RFK Jr. controversially labels it an 'epidemic' and pushes for rapid environmental studies.

Health and Human Services Secretary Robert F. Kennedy Jr. speaks during a news conference on the Autism report by the CDC at the Hubert Humphrey Building Auditorium in Washington, Wednesday, April 16, 2025. (AP Photo/Jose Luis Magana)
Health and Human Services Secretary Robert F. Kennedy Jr. speaks during a news conference on the Autism report by the CDC at the Hubert Humphrey Building Auditorium in Washington, Wednesday, April 16, 2025. (AP Photo/Jose Luis Magana)
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Overview

  • The CDC's latest data shows a significant increase in autism diagnoses, with 1 in 31 children identified by age 8 in 2022, up from 1 in 36 in 2020.
  • Researchers attribute the rise primarily to improved screening, expanded diagnostic criteria, and better access to services, rather than a true surge in cases.
  • HHS Secretary Robert F. Kennedy Jr. has described the trend as an 'epidemic' and announced plans for new studies on environmental toxins, including food, air, and water, by September.
  • Experts and advocacy groups reject the 'epidemic' label, cautioning that it perpetuates stigma and misrepresents autism as a preventable condition.
  • The data highlights demographic disparities, with higher prevalence among boys and children from Black, Hispanic, and Asian communities, reflecting progress in reaching underserved populations.