Life expectancy data show life expectancies. But if you are an ideologue, you can make these numbers say anything you want.
The WSJ just reported that life expectancy in the US declined for the third consecutive year in 2017. This is unusual. Life expectancy is now lower than in 2010, when Obamacare was enacted.
In addition, America has one of the lowest life expectancies in the developed world, and the gap is widening between the US on the one hand and Europe/East Asia on the other. Furthermore, in 2009 there were sizable differences among ethnic groups in the US:
