One biological factor that is linked to depression is a low level of:

Question

Quizplus · Accepted Answer

Serotonin is a neurotransmitter that helps regulate mood, and low levels of serotonin have been linked to depression. Medications such as selective serotonin reuptake inhibitors (SSRIs) are often used to treat depression by increasing serotonin levels in the brain. Estrogen and progesterone may also play a role in depression, particularly in women, but their exact relationship is not fully understood. Dopamine is another neurotransmitter that affects mood, but its connection to depression is less clear than serotonin's.

One Biological Factor That Is Linked to Depression Is a Low