Jogger is concerning carer (8)

I believe the answer is:

reminder

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'jogger' is the definition.
(something which jogs one's memory)

'concerning carer' is the wordplay.
'concerning' becomes 're' (both can mean on a particular topic).
'carer' becomes 'minder' (I can't justify this - if you can you should believe this answer much more).
're'+'minder'='REMINDER'

'is' is the link.

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(Other definitions for reminder that I've seen before include "Aide-mmoire" , "Knot in handkerchief?" , "Memory refresher" , "Aide-memoire" , "Memory jogger" .)

I've seen this clue in The Sun and The Times.

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