To look at life expectancy, you need to normalize for the fact that numerous things have shifted dramatically in society. For instance smoking rates have comple

To look at life expectancy, you need to normalize for the fact that numerous things have shifted dramatically in society. For instance smoking rates have completely plummeted relative to the past, to say nothing of the fact that up until the 90s you could generally smoke everywhere, even on airplanes! Then there have also been major changes in typical occupations, reductions in youth driving, and so on. Given that life expectancy increases have been coming at a snail's pace, and on occasion reversing, I suspect if one normalized for these sort of non-medical shifts in society, we'd see that life expectancy is most likely decreasing, likely due to things like widespread obesity, mental illness, and other ailments which modern gadgets are significantly contributing to.