C1591 External Emotions Yang Lin's Parents

Yang Lin's parents

Yang Lin's father suffered from lung disease because he was not well protected. It was the legendary fibrosis of the lungs.

This was caused by the environment.

So many coal workers, steel workers, cement workers, and so on. There were many patients with lung fibrosis due to the working environment.

This disease was not a tumor, but it was as deadly as a tumor