This second group were motivated by regular reminders of therealcost of missing a visit, said Professor Sandra Jones fromtheuniversitys Centre for Health Behaviour andCommunicationResearch.

• 该大学健康行为与交流研究中心的桑德拉·琼斯教授说,两周一付的人会定期被提醒少去一次浪费多少钱,因此有动力去锻炼。