Thanks
Health Professional
The short answer to your question is "No".
The longer answer is that there are some studies, obtained using very complex biophysical methods, which suggest that there may be abnormally low levels of two neurotransmitters (molecules which send a message from one neuron to another) - serotonin and noradrenaline, in parts of the brains of people who have been diagnosed with Major Depressive Disorder.
These studies are currently at the "basic science" stage and the methods used are way outside what a GP could offer in his/her surgery for the foreseeable future.
They may help to explain why anti-depressant medications like the Specific Serotonin Reuptake Inhibitors (SSRIs, for example, Prozac) and the Serotonin Noradrenaline Reuptake Inhibitors (SNRIs, for example, Effexor) can help people with Major Depressive Disorder.
Apologies if this is a bit technical but I hope that it helps you :-).
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