Driving a gas/diesel car, car centric societies are hell for health. I mean car is useful but we should not use it everyday and need it to do everything.

Pollution (from combustion and tire wear) provoke breath illness and weakens our immunity system, have you seen a spike on asthma issues?

Lack of physical exercise make us sick.

Petrol gives cancer, how does it is not written on every gas pump, like for tobacco ?

Pretty good (but long) answer with historic solutions here : https://solar.lowtechmagazine.com/2025/06/dressing-and-undressing-the-home/

My short answer : do not let the sunshine in (stores, awnings, shutters), let it flow let it go (air), I like big walls and I cannot lie