Mary Jane by Alanis Morissette (sounds like depression to me)

Tourniquet by Evanescence (about suicidal thoughts)

Imaginary by Evanescence (in my opinion this is about dissociation)

Whisper by Evanescence (depression? it's about mental/emotional pain)

Sunflowers by Everclear (maybe anxiety? it's about some kind of mental illness, don't know what though- maybe just mental illness in general)

Normal Like You by Everclear (talks about taking medication for depression)

Eight Easy Steps by Alanis (an attachment disorder, or maybe borderline?)