Stay away from smokers.
Try to stay away from smokers. Don't let them smoke around you, especially at home, in the car and in public places. If someone smokes near you, leave the area as soon as possible.
2 advocate a smoke-free environment
Advocate a smoke-free environment. Encourage family, friends and colleagues to quit smoking or smoke outdoors. At the same time, provide them with help and support to quit smoking.
Let the air circulate
Let the air circulate. Remember to open the window often or use an air purifier to reduce the concentration of second-hand smoke in the air.
Avoid entering the smoking area.
Avoid entering the smoking area or eating with smokers. If you have to go to these places, ask them to smoke outdoors, or choose not to attend.
5 consult a doctor
If you are worried about your health, remember to consult a doctor. They can give professional advice according to your specific situation.