Scientists near road traffic increase breast cancer risk, after finding six women at the same place, the three-year-old's illness has been hired, scientists warn.
A group of women diagnosed cancer, caused by car exhausts, and scientists describe a "new professional illness". A further seven women's team hired the disease after working in a tunnel near the US and Canada border.
The study worked for an unnamed woman for 20 years, on the bridge between the Ontario ambassadors of Detroit and Michigan Windsor.
Bridging the United States and Canada, the best trade trade in North America, 12,000 trucks and 15,000 cars per day.
Traffic volume was similar in 20 hours after women's work, 40 hours a week, 46.8 million vehicles were in diesels.
Doctors Michael Gilbertson and Jim Proffy of the Scottish University of Stirling believe that chemicals cause smoke in the traffic.
In the study, women were 16 times more likely to have breast cancer than women at work kiosks.