Sun and colleagues had “pregnant women between 8 and 14 weeks’ gestational age . . . view one of three, 5-min, VR [virtual reality] videos of an urban scene with different green space levels (i.e., non-green, moderate, and high) after a laboratory stressor, the Trier Social Stress Test. . . . We found that visual exposure to a green space environment in VR was associated with both physiological and affective [mood] stress reduction among pregnant women, including lower systolic blood…