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Sun and colleagues found that “A reduced risk for PPD [postpartum depression was associated with total green space exposure based on street-view measure [500 m buffer. . .], but not NDVI [normalized difference vegetation index], land-cover greenness, or proximity to a park. Compared to other types of green space, tree coverage showed stronger protective effects. . . . Street view-based green space and tree coverage were associated with a decreased risk of PPD. The observed association was primarily due to…