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Symptoms, Causes and Diagnostic Methods

Depression Symptoms

  • Constantly feeling sad 

  • Loss of interest and pleasure in daily activities 

  • Appetite changes: Overeating and loss of appetite 

  • Difficulty falling asleep, waking up frequently, or sleeping excessively 

  • Constantly feeling tired 

  • Slowness in speech and movements 

  • Feeling worthless and guilty 

  • Loss of concentration, difficulty making decisions 

  • Suicidal tendencies 

  • Kokkun emotion 

  • Life-threatening thoughts

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Causes of Depression

The causes of depression may vary from person to person, but in general, it is possible to collect them under a few headings. Depression, which is seen in almost every age group due to different reasons, is a psychological disorder that manifests itself with different symptoms. In general, it is known that stress, anxiety, current problems and many other factors can cause depression. 

Depression Diagnostic Methods


Diagnosis of depression usually begins with a physical examination. During the physical examination, the doctor may ask questions about the individual's health. In some cases, depression may be linked to an underlying physical health condition. 

Laboratory tests may then be required. The doctor may do a blood test called a complete blood count or test the thyroid gland to make sure it's working properly.

The next step is a psychiatric evaluation. The mental health professional asks questions to learn about their symptoms, thoughts, feelings, and behavior patterns. The individual may be asked to complete a questionnaire to help answer these questions.

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Who Has Depression

Depression is a mood disorder that can be seen in almost every age group. It is stated that depression can be seen in children and adolescents as well as in the elderly. Studies show that the prevalence of depression in Turkey is 2.3% in men and 5.4% in women. Depression is more common in women, on the other hand, it is defined as more areas where men can express themselves differently. 


According to the data, one out of every six people will experience depression at least once in their lifetime. Therefore, it would not be wrong to say that depression is one of the most common psychological disorders. Although its effects are not as large as many other psychological disorders, depression is a condition that should be taken seriously because it can cause different psychological disorders.

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