Biological factors for depression include different factors as neprophysioligical, genitical, neuro-endocrinal and biochemical alterations as well. Biological rhythms and seasonal variations also encounter in the biological factors.
Researchers have discovered associations between clinical depression and the function of three primary ones of mono amine class that are serotonin, norepinephrine, and dopamine. These are important as these are known to deal with the body functions as emotions, reactions to stress, and the physical drives of sleep, appetite, and sexuality. While some studies do support this monoamine hypothesis so it is not much clear about the chemicals.
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Researchers have discovered associations between clinical depression and the function of three primary ones of mono amine class that are serotonin, norepinephrine, and dopamine. These are important as these are known to deal with the body functions as emotions, reactions to stress, and the physical drives of sleep, appetite, and sexuality. While some studies do support this monoamine hypothesis so it is not much clear about the chemicals.
For further details please visit:
ezinearticles.com