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                       CAUSES?            

                                                       

GENETICS FACTORS	Having a first-degree relatives with depression increases the risk
BIOLOGICAL:CHANGES IN NEUROTRANSMITTER LEVELS	Personality: Those with less successful coping strategies, or previous life trauma are more suceptible
ENVIRONMENTAL	-Childhood trauma -A past head injury -Life events: These include bereavement, divorce, work issues, relationship with friends and family,financial problems, medical concerns, or acute stress -Chronic pain syndromes : These and other chronic conditions, such as diabetes, chronic obstructive pulmonary disease, and cardiovascular disease make depression more likely
PSYCHOSOCIAL	-Some prescription drugs : These include corticosteroids, some beta-blockers, interferon, and other prescription drugs -Abuse of recreational drugs : Abuse of alcohol, amphetamines. and other drugs are strongly linked to depression