Explain how depression arises from a combination of both genetic and environmental factors

As per epidemiological studies, a genetic factor is implicated in 30% to 40% of cases of bipolar disorder. Consequently, environmental factors play a greater role in the production of depression.

Explanation:

As per epidemiological studies, a genetic factor is implicated in 30% to 40% of cases of bipolar disorder. Consequently, environmental factors play a greater role in the production of depression. Resilience and anxiety resistance are popular; thus, though during embryonic or perinatal period certain degree of stress may be received, having genetic disposition to mental illnesses does not mean the existence of a mental disorder.

Environmental factors: psychological stress, social non-conformity, isolation and other types of reduced interaction, harassment, abandonment of close relative, or misuse of addictive drugs. These factor influence or affect you for longer period of time.

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t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.