Depression in Children and Teens (cont.)
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Depression is thought to be caused by an imbalance of chemicals called neurotransmitters that send messages between nerve cells in your brain. Some of these chemicals, such as serotonin, help regulate mood. If these mood-influencing chemicals get out of balance, depression or other mood disorders can result. Experts have not yet identified why neurotransmitters become imbalanced. They believe a change can occur as a response to stress or illness. But a change may also occur with no obvious trigger.
There are several things known to increase the chances that a young person may become depressed.
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