This is a video posted by author and friend, Douglas Block, whose book, and resources can be found at

Symptoms of depression can be in any or all of the following 4 areas:

  1. Emotions
  2. Thinking
  3. Housekeeping (sleep, appetite, energy, sex)
  4. Behavior

The number of days or hours each day you are depressed, the intensity (how severe), and how long the depression lasts affects the severity of your depression.


There are different kinds of depression:
Clinical depression
Seasonal affective disorder (lack of sunlight or light)
Dysthymia (lack of joy)


Diagnostic Criteria for Clinical Depression:
(Need 5 of these that persist for over 2 weeks – from DSM4)

  1. Sadness most of the day
  2. Markedly reduced interest in pleasure
  3. Appetite change (too much or too little)
  4. Insomnia or Hypersomnia (can’t stay asleep)
  5. Psychomotor agitation or retardation (sluggish)
  6. Fatigue or loss of energy most days
  7. Feelings of worthlessness or excess guilt
  8. Trouble concentrating (eg can’t read)
  9. Suicidal thoughts or plans (lost hope)

If five of these are impairing your function in the world (ability to go to school or work) then you are clinically depressed 

Please watch Dr Block present this information on depression.

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