The Declaration of Helsinki recommends several ethical safeguards. Which combination is explicitly mentioned as part of its guidance?

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The Declaration of Helsinki requires ethical safeguards for human research that include independent review of the study, informed consent from participants, and a commitment to not causing harm. Informed consent ensures that volunteers understand the procedures, risks, and potential benefits and agree to participate willingly. An independent ethics committee or IRB reviews the protocol to protect participants by assessing risk, ensuring safeguards are in place, and balancing risks and benefits before the study begins. The principle of doing no harm means researchers must minimize risks, monitor for adverse effects, and place participant welfare above scientific or societal goals. Choices that ignore one of these elements—like sharing data without consent, focusing only on animal welfare, or offering informed consent alone—do not align with the Helsinki framework. The best match is the combination of independent ethical oversight, informed consent, and a commitment to minimizing harm.