Numerous Researchers Have Studied the Connection Between Spending Time in Nature

Numerous researchers have studied the connection between spending time in nature and our health; which of the following would not be among those findings?

A) Patients who had potted plants in their hospital rooms reported a greater sense of joy and happiness than patients who had no plants.
B) A 2-hour walk in the forest improves sleep quality.
C) Viewing aesthetically pleasing images increased activity of the parahippocampal gyrus region of the brain.
D) Exposing cancer cells grown in Petri dishes to phytoncides decreased anticancer proteins and proteases.