During peer review, a nutrition scientist is assigned a paper authored by a close friend and previous collaborator. What should the reviewer do?

Question

Answer

Disclose the conflict of interest to the journal editor and recuse themselves if necessary.

Answer

Review the paper but provide only positive comments to support their colleague.

Answer

Share the manuscript with another colleague for informal feedback without informing the editor.

Answer

Proceed with the review without disclosing the relationship to avoid delays.

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