This week in I wrote about the incredible progress that we have been making against dementia. Though total numbers are rising (because we are living longer), the actual rate at every age has been coming down sharply for decades. A short 
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Whereas 40 years ago three in every ten Americans aged 85-89 had dementia, by 2024 just one in ten had it...Between 1988 and 2015 the share of older people being diagnosed with dementia fell by 13% a decade across six countries in North America and Europe 2/
“We saw that it [dementia] was not only a late-life disease that can’t be prevented, but more of a process that starts in mid-life with the possibilities to at least slow the progression,” says Miia Kivipelto of the Karolinska Institute in Stockholm. 3/
Here's a link to the full article: 4/4
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Hi Kristoph, you can read a free article a month if you register on the website without having to subscribe.
Given the evidence on the connection between infections and dementia incidence, I keep wondering to what degree our increasingly more hygienic living environment explains the graph.
So a lot of the improvement to date seems very much to be about improved heart health, less smoking etc. But the emerging evidence on the chickenpox/shingles virus is really interesting. It also seems other vaccines also have some protective effect.
This is so ridicules to the n th degree . GarbageEverybody lies and/or don’t know how to classify their deficits. And those born in previous centuries were no different. And I mean everybody -healthcare everyone from clinical to actuarial types to those with biases galore.
Do we know why? Did people born in 1945-1949 have better childhood nutrition and more formal education than those born in 1895-1899, and this is what is preventing dementia?
Here is a link to the original journal publication:
"incredible progress" is a poor wording when the observed 'birth cohort effect' is not understood. We still don't know what are the factors that contribute to the lowered incidence.
Control for education
Control for wealth in retirement (social security)
Hypothesis. Education inversely correlated. Social security provided nutrition which staved off dementia in the golden years
Would love to know how much improvement is due to early diagnosis/management Vs environmental poisoning factors (lead paint/pipes etc etc) great insight in any case.
That’s one of the worst graphs i have seen in . Is it a graph of improved diagnostics? Is it a graph of increased longevity? It’s quite possible it has nothing to do with improving health care in later life.
No More guesswork.
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