The Canadian Press on MSN55m
Here's where Canadian experts stand on fluoridating drinking water
For decades, water fluoridation has played a key role in improving the oral health of North Americans, experts say, but the ...
Long-term exposure to wildfire smoke associated with increased risk of dementia: study
Being exposed to wildfire smoke over a long period of time could increase the risk of developing dementia even more than exposure to other sources of air pollution, according to new research — a ...