Depression is a state of low mood and dislike of activity. Classified medically as a mental and behavioral disorder, the experience of depression affects a person’s thoughts, behavior, motivation, feelings, and sense of well-being.

Types of depression are major depression and its types like anxious distress, melancholy and agitated mood, Persistent Depressive Disorder, Seasonal Affective Disorder (SAD), Psychotic Depression, Peripartum (Postpartum) Depression, Premenstrual Dysphoric Disorder (PMDD), ‘Situational’ Depression, Atypical Depression and Treatment Resistant Depression.

There are several theories as well as speculations about what actually causes depression?

The condition most likely results from a complex interplay of individual factors, but one of the most widely accepted explanations cites abnormal brain chemistry.

Sometimes, people with depression relate the condition back to a specific factor, such as a traumatic event in their life. However, it’s not uncommon for people who are depressed to be confused about the cause. They may even feel as though they don’t have a ‘specific reason’ to be depressed.

Researchers have suggested that for some people, having too little of certain substances in the brain (called neurotransmitters), could contribute to depression. Restoring the balances of brain chemicals could help alleviate symptoms-which is where the different classes of antidepressant medications may come in.

In these cases, learning about the theories of what causes depression can be helpful. Here’s an overview of what is known and not-yet known about how chemical imbalances in the brain may influence depression.

Even with the help of medications that balance specific neurotransmitters in the brain, depression is a highly complex condition to treat. What proves to be an effective treatment for one person with depression may not work for someone else. Even something that has worked well for someone in the past may become less effective over time, or even stop working, for reasons researchers are still trying to understand.

They are trying to understand the mechanisms of depression, including brain chemicals, in hopes of finding explanations for these complexities and developing more effective treatments. Depression is a multi-faceted condition, but having an awareness of brain chemistry can be useful for medical and mental health professionals, researchers, and many people who have depression.

But there also exists another side of theory which suggests with due and quite some proof that depression is a severe and extreme response to certain life altering traumatic situations along with real life examples.

Between these two extreme descriptions, exists an entire spectrum of depressive conditions with contributions from both internal abnormalities as well as external sources of stress. Therefore, in the real world, a combination of medicines and counselling usually works the best- with medicines correcting the internal abnormalities, and therapy taking care of the handling and processing of external stressors. Depression can be cured with utmost success under the guidance of an experienced specialist.

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