OverviewDepression is a medical condition that leads to intense feelings of sadness or despair. These feelings will not go away on their own. They are not necessarily related to a particular life event.
What is going on in the body?Depression is a disorder of the brain. Researchers believe that chemicals called neurotransmitters are involved in depression. 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.
What are the signs and symptoms of the condition?Some symptoms are common in people of all ages with depression. These symptoms include:
• appetite problems
• decreased energy
• difficulty paying attention or making decisions
• feeling very sensitive emotionally
• feelings of irritability
• feelings of sadness, despair, and emptiness
• inability to feel pleasure
• low self-esteem
• loss of motivation and withdrawal from others
• pessimism, negativity
• thoughts about suicide
and death
Teens with depression may have additional symptoms, including:
• difficulty with friendships or social outings
• fear of death
• frequent vague physical ailments, such as headache
• irritability
or hostility
• poor school performance, tardiness, or absences
• problems with authorities
• recklessness
• sensitivity to failure or rejection
What are the causes and risks of the condition?
There are many theories about what causes depression. Depression may be caused by one or more of the following: certain illnessescertain medicines, including antibiotics and medicines used to treat acnechanges in brain chemicalsheredityhormonal changeslack of sunlightmajor stressesnegative thinking patterns
What can be done to prevent the condition?
Depression may not be preventable. However, these steps may be helpful in preventing it: avoiding alcohol and illegal drugsavoiding cigarette smokinggetting prompt treatment for other psychiatric disordersseeking effective treatment for chronic diseasestalking with a counselor after experiencing a major trauma or loss
How is the condition diagnosed?
Screening tests for depression in teens include: the Beck Depression Inventory (BDI) 19the Center for Epidemiologic Studies Depression (CES-D) Scalethe Children's Depression Inventory (CDI) 18the Zung Depression Scale
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