Let fresh air in
Make sure your house is well ventilated and open the windows for a while every day if you can. If you live by a busy road, avoid opening the windows that look out onto the street and use the ones at the back instead.
Make sure your house is well ventilated and open the windows for a while every day if you can. If you live by a busy road, avoid opening the windows that look out onto the street and use the ones at the back instead.