Which of the following unhealthy habits is associated with a four-times greater likelihood of clinical depression?

Question

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Smoking is the unhealthy habit associated with a four-times greater likelihood of clinical depression. Studies have found a strong association between smoking and depression, and it is believed that nicotine may alter brain chemicals related to mood regulation, leading to an increased risk of depression.

Which of the Following Unhealthy Habits Is Associated with a Four-Times