For the study, Myers and his team tracked 6 213 patients, with an average age of 59, who sought care through the Palo Alto veterans health system.

• 为了进行研究，迈尔斯和他的研究小组对6 213名平均年龄为 59岁的病人进行追踪研究，这些患者都在退伍军人保健事务所接受治疗。