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Research Ethics Policy
The Polish Journal of Food and Nutrition Sciences adopted publication policies to ensure that ethical and responsible research is published, and that all necessary consents and approvals have been obtained from authors to publish their work. These publication policies might include the items presented in the sections below.

1. Human rights, privacy, and confidentiality
For manuscripts reporting medical studies involving human participants, it is suggested that journals require authors to provide a statement identifying the ethics committee that approved the study, and that the study conforms to recognized standards, for example:
• Declaration of Helsinki
• US Federal Policy for the Protection of Human Subjects
• European Medicines Agency Guidelines for Good Clinical Practice

2. Registering clinical trials
The World Health Organization and Declaration of Helsinki both suggest that clinical trials should be registered prospectively, before participants are enrolled.
Clinical trial registration numbers should be included in all papers that report their results.

3. Animals in research
For all manuscripts reporting data from studies involving animals, formal approval by an appropriate institutional review board or ethics committee is required and should be described in the Methods section.
Authors should also state whether experiments were performed in accordance with relevant institutional and national guidelines and regulations.
Editors may request that reviewers comment on the standard of experimental reporting, experimental design, or any other aspects of the study reported that may cause concern. If concerns are raised or clarifications are needed, they may need to request evidence of ethical research approval or question authors.