Confidentiality as important in research, as is informed consent

Confidentiality is important in research, as is informed consent. Please describe how you would guarantee confidentiality to participants in a study related to obesity and promoting healthy decisions. What would the participants have to do in the study? What would you tell them in advance?

After answering these questions:

Please draft out an informed consent document for a study involving a topic related to obesity and promoting healthy decisions. This informed consent document should be at least 100 words. Please provide this in the text of your response and NOT as an attachment.