That is not now life expectancy works. You cannot take life expectancy at birth and apply it to adults by subtracting past years of life, because doing so ignor

That is not now life expectancy works. You cannot take life expectancy at birth and apply it to adults by subtracting past years of life, because doing so ignores all the people that died in the meantime from related or unrelated causes. Rather you have to take remaining life expectancy at any given age and estimate from there how likely death is within 1 or 5 or 10 years. Also relevant is other existing health issues like COPD. https://openi.nlm.nih.gov/detailedresult?img=PMC2672796_copd-4-137f7&req=4 https://openi.nlm.nih.gov/detailedresult?img=PMC2672796_copd...