In fact, although medical science has extended life expectancy, it has had little or no effect on our life span (the maximum length of life possible in our species).
虽然医药科学已经延长了寿命,但对我们的生命期(人类生命可能达到的最长时间)几平很少或根本没有影响。
The results imply that although male average life expectancy is shorter than that of female, genetic life span of male is not shorter than that of female.
结果预示,尽管男性平均期望寿命低于女性,但并不表明男性的生理寿命低于女性。
EVIDENCE SYNTHESIS: It is not known whether calorie restriction extends maximum life span or life expectancy in lean humans.
证据分析:还不知道限制热量的摄入能最大的延长瘦人的生命或预期寿命。
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