The Autism Surge: Real Rise, Better Detection, or Both? Navigating the Data with Precision

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The Autism Surge: Real Rise, Better Detection, or Both? Navigating the Data with Precision

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The sharp rise in autism diagnoses—from 1 in 150 to 1 in 31—reflects a powerful mix of better awareness, broader criteria, and expanded screening that has brought real help to more families, yet the evidence shows most of the increase stems from improved detection of a spectrum that long existed rather than a sudden environmental catastrophe. Strong genetic heritability (60-90%) anchors the biology, with early interventions delivering measurable gains in skills and functioning for many, though methodological limits like site variability and short-term data demand caution against hype or fear. This balanced deep dive equips listeners with the nuance needed for informed decisions on screening, support, and policy in a high-stakes topic that drives massive public interest and healthcare spending.

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