[stephc_int13]

Paracetamol is the default painkiller for most people, I would suspect that regular use means some kind of inflammation.

I would not find surprising that chronic headache could be correlated with risk of dementia.

[boomlinde]

The study however found no such association between regular ibuprofen use and dementia. Not sure what compels people to go all "I have no idea what the supposed results of the study are but my amateur intuition about it tells me it's wrong".