URL:https://cdn.vox-cdn.com/thumbor/9cAxLXi4lZj3gRYgYIyWmsGNkIk=/0x285:5472x3363/1600x900/cdn.vox-cdn.com/uploads/chorus_image/image/53647815/626981904.0.jpg
掲載元:http://www.theverge.com/2017/3/11/14881062/americans-sexual-activity-decline-study-happiness-internet-tv