AdvertisementForest Bathing: A Retreat To Nature Can Boost Immunity And MoodJuly 17, 2017Allison AubreyfacebookEmailClare Kelley practices "forest bathing" along the edge of an urban forest on Roosevelt Island, in the middle of the Potomac River. In contrast to hiking, forest bathing is less directed, melding mindfulness and nature immersion to improve health. (Allison Aubrey/NPR)