The most common and most likely answer to this crossword clue is the 4 plus 5 letter word REST CURES
I've seen this crossword clue in The Times
R
E
S
T
C
U
R
E
S
More clues leading to the result REST CURES
- Others seek treatments offered by sanatoriums
- Health treatments doing no good then?
- Frantic rescuers welcoming last of short breaks to recover
- Others curse where there’s a late change, getting such treatments
- Healthy breaks but everybody else smokes?
- Others joining French priests for therapeutic sessions
Buddy explains!

The straight part
We know that "therapeutic sessions" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case therapeutic sessions = rest cures.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.