No major problems with this.
Solving time: 13 mins
* = anagram
ACROSS
7 T (OUCH) UP Put = set (reversed). Clever misleading context as the “improve slightly” in the definition has nothing to do with a medical condition.
10 GEN DER (red reversed) Information can often be gen.
11 GEORGE HARRISON (of the Beatles) (Ogre – he’s roaring)*
14 MANTRA(p)
17 CHANGE OF COURSE Which in crossword language could mean – make an anagram of it and get Crusoe. Definition is “new strategy”
19 CO PIER Firm = company (co) – a crossword staple.
22 S(QUIN)T
DOWN
1 ROOFER Cryptic definition punning on “top”
2 HUNGER MARCHERS
5 RED HEAD As was (and maybe still is) Neil Kinnock, former leader of the Labour Party.
8 HANDSET Cryptic definition – the clue’s length at first suggesting something entirely different.
17 Peter CROUCH – Attacking player for Liverpool FC
18 UN(i)T RUE Section = unit