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Originally Posted by Just Passin' By
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The problem with what you gleaned from that study is they didn't stratify the population. They simply lumped the data together and said this is what we found. There is a huge subset of the population that is healthy, fit, and average-high socioeconomic status that will live into old age barring any serious accident or illness. Those individuals bring up our average tremendously. Then you have the obese, diabetic, and low SES people who will bring it down.
Due to advances in medical care, life expectancy and ability to live into old age and maintain functional abilities is still on the rise. But it has slowed dramatically because we have this nasty weight (pun intended) bringing it down in the form of diabetes and obesity.
In that study, they are not saying MORE people are living longer, healthier lives, but that the cohort that they studied is living longer, healthier lives as a whole. There's a difference.