Graelwyn wrote:
But depression surely can result from chemical issues in the brain which cannot be resolved simply through diet and exercise?
I have battled for sometime now with a total lack of motivation, constant fatigue, no concentration and very poor memory and these are making my life difficult.
Well, the pharmaceutical companies have this unproven and more and more discarded chemical imbalance theory that doesn't make much sense. They're basing it on the fact that some people become depressed without a clear cause in their lives. Personally I belief that the perception of our life is more complicated than that though - I see these as possible causes too:
* Being exposed to an unstimulating environment for an extended period of time.
* Ceasing to perform an activity that used to keep your mood up, and after a little while you start feeling the lack of effect from it, your mood would have been low earlier too if you didn't perform it.
* Suddenly realizing that your hopes in the future that kept you going might be unrealistic.
I feel that almost all depression can be explained with the environment you experience and the way you're able to cope with that. Most people develop minor delusions to offset how unrewarding their lives are, believing they will win the lottery and everything will sort itself out that way, but if you only see reality for what it is, you might easily become depressed from that since your mental quality of life in the modern world isn't that great.
It's an unchallenged fact that exercise is great on the long term for lifting mood, though if you really lack energy, I guess it can be hard getting started. Try to do so though.