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Breathing in air pollution could our brain. A new study that car fumes can change how our brain wired - how parts of the brain with other parts. The research is from the University of British Columbia in Canada. Researchers that car fumes can change our brain's connectivity in just two hours. A researcher, Professor Chris Carlsten, surprised at what he found. He said: "For many decades, scientists the brain may protected from the harmful effects of air pollution." He : "This study, which is the first of its kind in the world, fresh evidence supporting a connection between air pollution and [thinking]."

The traffic pollution study on 25 adults. The researchers asked the adults to in car fumes in a laboratory. The research team brain scans of the adults for two hours. The scans that networks in the brain that we use for thinking and remembering . There were fewer connections between the networks. Another professor said the research was worrying. She said: "It's to see traffic pollution interrupting these networks." The researchers said there to be more research to see how car fumes change our brain. They also people to close car windows when in traffic. The brains of the 25 people to normal after they clean air.