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Ginny Russell looked at research into different potential environmental factors and found only a few that were plausible to explain some of the rise.

The eightfold increase in new diagnoses that Ginny Russell found included Asperger's syndrome, which was seen as a particular type of autism.

But both Nick and Ginny take pains to declare it’s not like that.

Ms Wright, who played Ginny Weasly in the Harry Potter films, wrote a book on sustainability and devotes most of her time now to environmental causes.

Sven Ruygrok and “Ginny & Georgia” star Humberly Gonzalez round out the team.