nothing unless you are currently suffering.
I wouldn't need to declare a broken arm 3 years ago, so I wouldn't need to declare previous depression.
( Godzuki needs more sleep., Mon 15 Jun 2009, 18:24, archived)

Nah, not necessarily
Alcoholism, for example, needs declaring for two years after you stop drinking.
( CowJam, Mon 15 Jun 2009, 18:47, archived)