Sudimac, Sale, and Kuhn share that they “conducted an intervention study to investigate changes in stress-related brain regions as an effect of a one-hour walk in an urban (busy street) vs. natural environment (forest). . . . findings reveal that amygdala [the amygdala is involved in stress processing] activation decreases after the walk in nature, whereas it remains stable after the walk in an urban environment. These results suggest that going for a walk in nature . . . may act…