How bad is repeat exposure to wildfire smoke?
Over time, exposure stresses the body, damaging the heart and lungs, and can impair cognitive function.
2023-07-01 06:54
Air quality: How to protect yourself from Canada wildfire smoke
With toxic air quality in parts of North America likely to persist, here's what you can do to stay safe.
2023-06-08 21:24
Face masks are still a good idea at the doctor's office, study says
Signs urging everyone to mask up have largely disappeared from places like grocery stores and schools in the third year of the Covid-19 pandemic. But they remain in many medical offices, and a study published Monday says they might still be a good idea.
2023-05-19 08:52