Moreover, people with a higher socioeconomic position tend to adopt new behaviors first, and to abandon more readily behaviors that are found to damage health, such as smoking and high-fat diets. Given this, new behavioral recommendations by health authorities tend to exacerbate health inequalities, at least temporarily.
在20世纪，高收入国家的社会流动增加缓慢而稳定，教育成就和职位地位更少地以来家庭背景，更多地以来认知能力和其他个人特质。于是，地位较低的社会经济群体不但规模缩小，在增加健康问题风险的个人特质上，他们可能也变得更为同质了。