2006 Amy Winehouse hit (5)
I believe the answer is:
rehab
'2006 amy winehouse hit' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rehab that I've seen before include "help with addiction" , "getting dry?" , "Treatment for, eg, addiction" , "Treatment for alcoholism" , "Restorative care" .)