[Dr. Scarpetta]

The number of children diagnosed with autism has risen in recent years to as many as one in 150 American children, but experts are unsure whether its prevalence really is increasing or the trend is due to a broader definition of autism.

This is a parent's nightmare...

[PAR35]

experts are unsure whether its prevalence really is increasing or the trend is due to a broader definition of autism.

I had that debate on another thread a day or two ago. Neither of us convinced the other.