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flag A study identifies four possible autism subtypes linked to genetics and prenatal exposures, with early interventions under investigation.

flag A new study suggests four potential autism subtypes, though evidence remains preliminary. flag Research highlights complex interactions between genetics and prenatal environmental factors—such as PFAS, air quality, and medications—though most individual risks have small effect sizes. flag While no direct link was found between PFAS and autism diagnoses, higher exposure correlated with social and behavioral challenges. flag Brain studies show reduced synaptic density in autistic adults, especially those with greater social difficulties, and disruptions in folate transport may offer treatment targets, including early trials of leucovorin. flag Timing of exposures during pregnancy appears critical, and ongoing research aims to map how genetic and environmental factors converge to influence brain development.

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