Depression is characterized by intense and persistent feeling of sadness and other symptoms like apathy, constantly tired, sleeping badly, having no appetite or sex drive, and complaining of various aches and pains which are not for a short duration but lasts for about several months. Depression can also occur because of alcohol withdrawal and various drug withdrawal. it can be treated successfully now. Review articles are the summary of current state of understanding on a particular research topic. They analyze or discuss research previously published by scientist and academicians rather than reporting novel research results.
Review article comes in the form of systematic reviews and literature reviews and are a form of secondary literature. Systematic reviews determine an objective list of criteria, and find all previously published original research papers that meet the criteria. They then compare the results presented in these papers. Literature reviews, by contrast, provide a summary of what the authors believe are the best and most relevant prior publications.
Last date updated on September, 2014