Answer :

Final answer:

Genes, brain chemicals, and development are all factors that can contribute to the causes of depression.


Explanation:

Genes, brain chemicals, development, and ethnicity are all factors that can play a role in the causes of depression. Genetic predispositions, biological factors like neurotransmitter levels in the brain, and environmental influences such as stressful life events are contributors to the onset of depression. Research suggests a complex interplay of genetic, biological, environmental, and psychological factors in the development of depression.


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