This article points in the opposite direction but it’s worth keeping in mind that we will see other age related diseases on the rise, just because we get better are curing other diseases. We will all die of something and if we get better at treating cancer, then some other disease will mechanically increase. That’s why I would also take with a pinch of salt studies that show a modest increase in a particular disease and try to pin that on a particular technology or food.
If you believe bs news, but the truth is that one particularly easy to avoid situation is behind that change in the "average." You can make statistics say whatever you please.
If I've read it correctly the article is saying the percentage of instances per age group have decreased over time, but to your point if there are more people reaching those age groups the total number of cases may increase.
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[ 2.7 ms ] story [ 36.0 ms ] threadTheoretically if depression earlier in life protected against dementia (not likely at all but bear with me) it would actually raise the rates.
I wonder what the actual correlation is however even keeping in mind spuriousness.
Interestingly each epoch they look at would have had less exposure than the previous and dementia is going down in each epoch.