Nice article - How trees can heal people.

https://ideas.ted.com/can-trees-heal-people/


In this context, 'healing' is to get back to the normalcy. As we are deviated so much from the life that we are feeling anxiety for everything. Our stress levels are increasing.

To get back to the normalcy. To heal ourselves, I think forests are the best solutions. May be absence of the pollution would be the one reason. But, I believe nature indeed helps us to be our better selves.