As many as one in 88 children — and one in 54 boys — have a form of autism, according to the Centers for Disease Control. A new study attempts to pin the rise in autism to exposure to air pollution during pregnancy — but it’s a statistically invalid junk study, ACSH experts say. The researchers, led by Dr. Heather Volk of the University of Southern California, looked at the records of 279 children with autism and 245 children without the condition, and claimed that living near traffic air pollution was associated with a threefold increased risk of developing autism. The study was published in Archives of General Psychiatry. Read the full article in ACSH Dispatch.