Robert F. Kennedy Jr. claims an environmental toxin causes the rise in autism diagnoses, contradicting CDC findings attributing the increase to better screening and awareness. Experts refute Kennedy's claim, citing genetic factors, parental age, and improved diagnostic criteria as contributing to the higher prevalence. Research has not established a causal link between autism and environmental toxins. The CDC's report, based on data from 16 sites, shows varied prevalence rates, highlighting the impact of differing diagnostic practices and screening availability.

Prepared by Anthony Ross and reviewed by editorial team.