By Stuart Bramhall
The incidence of both acute and chronic depression has been steadily increasing for as long as I have been a psychiatrist (32 years). With the recent economic downturn (and associated unemployment, bankruptcies, foreclosures and homelessness) clinical depression and – tragically – suicide are reaching epidemic proportions.
Big Pharma Invents Serotonin Deficiency
Over the last 20 years our giant pharmaceutical industry has very successfully marketed clinical depression as a deficiency of a brain neurotransmitter called serotonin – to justify a line of enormously profitable drugs called serotonin reuptake inhibitors (SSRIs). And it’s true that some depressed patients (about half) are helped by SSRIs and related drugs. However there are still an embarrassing number of double blind studies in which the improvement in SSRI treated patients, compared to the placebo treated patients, is not statistically significant.
For awhile it looked as if a new psychotherapeutic approach, called cognitive behavior therapy, enhanced patients’ response to SSRIs. However more recent outcome studies challenge whether these benefits are sustained over the long term.
The Role of Poverty and the Corporatization of Food
As a psychiatrist, I feel somewhat of a failure being unable to help half the patients who come to me for depression. However as a social activist, I am also increasingly aware of the role social factors play in depressive disorders. I would rank nutritional deficiencies – stemming both from poverty and our dysfunctional system of food production, marketing and supply – as number one on the list of social factors leading to depression. The link between omega 3 deficiency (as opposed to so-called serotonin deficiency) and depression has been clearly established. Numerous studies show that cultures which consume a minimum three to five servings of fish per week experience miniscule rates of depression.
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