Nerve impulses cause the release of neurotransmitters from one nerve cell to the next. This release allows cells to communicate with one another. Too little or too much of these important neurotransmitters may be released. This can cause or contribute to depression. These neurotransmitters include serotonin, norepinephrine, and dopamine.
Some symptoms are common in people of all ages with depression.
There are many theories about what causes depression. Depression may not be preventable. It is important to recognize and treat the condition early. Teens should be encouraged to talk to someone if they are concerned about depression. A teen who screens positively on one of these tests should have a comprehensive evaluation for depression.