BBC News | List of dementia environmental risk factors drawn up BBC News Jim Pearson, director of policy and researcher at Alzheimer Scotland, said: "The research study substantially improves our knowledge and understanding of environmental factors which may increase the risk of developing dementia and provides a basis for ... Power lines, air pollution and lack of sunshine may raise risk of dementia, warns University of Edinburgh Everyday factors that could increase risk of dementia Scottish scientists discover dementia risk in air pollution |