A History of Short Words

From the New York Times Crossword Puzzle

PTSD

Sun, 28 Nov '21
Concern for veterans, for short
Sat, 6 Nov '21
What cognitive behavioral therapy might treat, in brief
Mon, 7 Jun '21
Possible condition for a war vet, for short
Sun, 16 May '21
V.A. concern, for short
Wed, 24 Mar '21
Affliction for many a vet