I have MDD that is worsened by SAD. Honestly, it's a little difficult to say because of the MDD, but I feel like the uv light I have does help. It's not that expensive to get one, so I might say that it's a pretty good investment.

good luck!
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Yes. Jesus is the reason I am still alive today.
Diagnoses:
MDD, BPD, PTSD, OCD, AN-BP
(I don't define myself by my personal alphabet up there, but I put it there so that maybe somebody won't feel so alone

)