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Rate of Autism Diagnoses Has Climbed, Study Finds - New York Times
The frequency of autism spectrum diagnoses has been increasing for decades, but researchers cannot agree on whether the trend is a result of heightened awareness, an expanding definition of the spectrum, an actual increase in incidence or some combination of those factors. Diagnosing the condition is not an exact science. Children on the spectrum vary widely in their abilities and symptoms, from mute and intellectually limited at one extreme to socially awkward at the other.
The frequency of autism spectrum diagnoses has been increasing for decades, but researchers cannot agree on whether the trend is a result of heightened awareness, an expanding definition of the spectrum, an actual increase in incidence or some combination of those factors. Diagnosing the condition is not an exact science. Children on the spectrum vary widely in their abilities and symptoms, from mute and intellectually limited at one extreme to socially awkward at the other.