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Scottish Scientists Discover Dementia Risk in Air Pollution

New research points toward environmental factors such as air pollution and the lack of vitamin D as big contributors to the risk of developing dementia, The Scotsman reports. These factors are possibly the “missing link” that goes with genetics and lifestyle factors such as obesity and smoking that can cause dementia, the researchers said. This is important to know because more than 5 million Americans have Alzheimer's disease, and the number is steadily increasing. While...