Crossword Genius

Medic heads to young sick anti-drink folk (4)

Ross

I believe the answer is:

drys

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'anti-drink folk' is the definition.
I can't tell whether this definition defines the answer.

'medic heads to young sick' is the wordplay.
'medic' becomes 'dr' (abbreviation for doctor).
'heads to' says to take the initial letters (I've seen 'heading to' mean this (the head of the word)).
The initial letters of 'young sick' is 'ys'.
'dr'+'ys'='DRYS'

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I've seen this clue in The Independent.
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