I think it started after college and I am almost 29 now. I have had depression before without realizing how serious it was until I started getting treatment and

I think it started after college and I am almost 29 now. I have had depression before without realizing how serious it was until I started getting treatment and therapy for it. I'm not a vegetarian, smoker, drinker, and exercise at least weekly. It could be bad sleep hygiene, but I'll definitely check out B12 and thyroid problems.