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I have noticed that some people have lives that appear perfectly fine, yet they feel depressed. In my specific case the feeling typically lasts for a few days and then magically disappears, only to reappear a couple of weeks later.

  • In the absence of a real problem (e.g., loss of a close friend, physical sickness, etc), what causes these periods of negative affect?
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I assume you are not talking about Major Depression, correct? Major Depression is rare without external stresses, but "normal depression" is common in all individuals without extreme stressors – Ben Brocka Jun 14 '12 at 14:15
@BenBrocka: Indeed, not Major Depressions. In fact, not anything that would be labeled as a depression, because (in my case) it only lasts for a couple of days at most. – Simon Verbeke Jun 14 '12 at 14:18
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You should take a look at this question about endogenous versus exogenous reasoning in depression diagnosis. Your question might in-fact be a duplicate of that, but I haven't thought too closely about it. – Artem Kaznatcheev Jun 14 '12 at 20:52

1 Answer

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"Their lives are perfectly fine" is a hard to test thing. Hard to compare. How people feel and respond is deeply contextual.

However there are several potential reasons:

  • They may be 'wired' to feel stress or respond emotionally (i.e. Due to the way their brain has developed).
  • A feeling of not being in control (This is often hard to perceive from outside and removed from concrete factors). The causes and triggers of this are varied and complex.
  • A physical response. e.g. Things like a sensitivity to Gluten can cause incredible changes to our emotions and physiology. Often this manifests in good and bad periods.
  • Negativity can be a reflection of the context or surroundings. Those same people may appear positive in a different context.
  • Mental illness can manifest in uneven patterns. This spans from mild (common) to severe symptoms.
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