[js1138]

Some researchers are now investigating whether other common, genetically linked disorders such as autism, depression and schizophrenia may also have been positively selected because they confer hidden survival benefits.

I doubt if the full-blown version of these have much benefit, but they seem to have multiple causes, and a "mild" dose could be beneficial.

There is an epidemic of autism in silicon valley, suggestion that autism has varying degrees of severity, and in its milder forms is just extreme nerdiness.

[gcruse]

There is an epidemic of autism in silicon valley, suggestion
that autism has varying degrees of severity, and in its milder forms is
just extreme nerdiness.

Or that, as a result of all that chip manufacturing,
there is enough exotic metal in the valley water supply
to trigger the malady.