Paragraph 2
The traffic
study was on 25 adults. The researchers asked the adults to breathe in
fumes in a laboratory. The research team took brain
of the adults for two hours. The scans showed that
in the brain that we use for thinking and remembering changed. There were
connections between the networks. Another professor said the
was worrying. She said: "It's concerning to see traffic pollution interrupting these networks." The researchers said there needed to be more research to see how car fumes change our
. They also advised people to close car
when in traffic. The brains of the 25
returned to normal after they breathed clean
.
