The researchers said that the overall reduction in symptoms of anxiety in both groups may be explained by the therapeutic property of water . they said that the effects exerted by the dolphins were significantly greater than those just in the natural setting of water 研究人员还表示，试验中两组患者症状的改善可能都要归功于水的治疗作用，但海豚所发挥的作用要比只在水中运动的效果明显得多。
