The document discusses the history and benefits of healing gardens in hospitals. It notes that studies have found patients recovering in rooms with views of natural areas like trees had shorter hospital stays, less negative comments to nurses, and lower pain medication usage compared to those with views of brick walls. The document outlines several health benefits of nature exposure like reducing stress, boosting the immune system, and combating obesity. It proposes designing healing gardens that are calming yet active, accessible, productive, and connective to maximize therapeutic outcomes and community engagement for patients and visitors.