The scarring process cannot be reversed by any known treatment. Life can be made more comfortable by supportive treatment, such as oxygen supplied at home or portable oxygen systems for outings etc. Respiratory rehabilitation programs may also help to improve general body fitness and performance while assisting breathless people to be more comfortable with their disability. Any amount of asbestos exposure is too much. Different asbestos diseases are due to different amounts of asbestos.
Asbestos is definitely due to quite high doses of asbestos.
The total amount of asbestos build-up in the body is what matters. Asbestosis usually takes at least ten years to develop after first exposure. Benign asbestos related pleural diseases is caused by moderate levels of asbestos exposure but less than the levels usually required to cause asbestosis. Pleural plaques usually require a moderate asbestos exposure, but occasionally plaques may be seen in what seems to have been fairly light exposure. Lung cancer is linked to the amount of asbestos exposure, as well as the amount of smoking.