蜜芽传媒

Research done by scientists in Canada shows that living near a busy road increases your chances of developing dementia.

However, Dr Jennifer Rogers, from the Statistical Consultancy Services at Oxford University, told The World at One that the study should have included other factors such as "family history of dementia" and "whether or not you smoke ".

(Photo: Dr Jennifer Rogers from Oxford University Credit: 蜜芽传媒)