How to Think About the Real Autism Risk

A study published last week found that the brains of autistic children show abnormalities that are likely to have arisen before birth, which is consistent with a large body of previous evidence. Yet most media coverage focuses on vaccines, which do not cause autism and are given after birth. How can we help people separate real risks from false rumors?

Toxic Chemicals and Rising Rate of Autism

Melissa Wolfe and her son Edgar.

While pregnant with her son Edgar, Melissa Wolfe followed the lead of many a cautious woman before her. She took prenatal vitamins and ate organic vegetables. She avoided dyeing her hair and using hairspray. She even went as far as to leave the kitchen whenever someone turned on the microwave.
"I was very vigilant. Perhaps a little crazy," said Wolfe, of Brentwood, N.H.
Yet Wolfe still fears that her 4-year-old's autism may have resulted from chemicals infiltrating her womb, whether components of her migraine medicine, contaminants brought home from her husband's work installing rubber flooring, or remnants of the remodeling the couple did on their house.