it causes illness duh
deleting answers isn't cool dude..
No list? Lifestyle factors that people can change to improve their health would be things such as: Physical Training (Physical Activity), Eating a healthy diet, going outside more, etc.
I hope this is the answer you were looking for and that it helps!! :)
My dad is a construction worker and i'm around him a lot while he's working and I have asthma as well. It doesn't really effect me for about 2 hours then I need to take my inhaler