|Journal articles are most often Primary Research Articles. However, they can also be Review Articles. These types of articles have different aims and requirements. Sometimes, an article describes a new tool or method.
Depression is the most common mental disorder. Depression affects people in different ways and can cause a wide variety of symptoms. Depression can make people feel helpless, hopeless, or empty and numb. People with depression may experience a lack of interest and pleasure in daily activities, significant weight loss or gain, insomnia or excessive sleeping, lack of energy, inability to concentrate, feelings of worthlessness or excessive guilt and recurrent thoughts of death or suicide. Depression may require long-term treatment. Most people with depression feel better with medication, psychological counseling or both.