它还会显著降低医疗支出，虽然可能不会高于20%，因为人们到了75岁由于健康状况不及年轻的退休者才会使用这部分支出。
It would also significantly reduce spending on Medicare, although by less than 20% since persons over age 75 take the bulk of this spending because they are in worse health than younger retirees.
在保证婚前健康这一点上，分开睡不及同床睡。 但是，比起普通婚戒，奢华的婚戒更能确保婚姻的稳定，这一点我还是心存怀疑。
Sleeping apart doesn't guarantee marital health any more than sleeping together does; and I somehow doubt that a high carat-count prevents divorce any better than no carat-count.
因为自然选择比起健康而言更喜欢繁殖，生物的演化远不及的微生物的繁殖，病原体的进化远远快于人类。
Because natural selection favors reproduction over health, biology evolves more slowly than culture, and pathogens evolve more quickly than humans.
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