Research

Medical research explained and evidence reviews — Page 3

Read plain-language study explanations, evidence reviews and research guides. Learn to interpret methods, uncertainty and clinical trial records.

Read the evidence, then see what it means.

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Research

Content type
Content type
Topic
Topic

Research guide

How to read a clinical trial record

Published:

Use registration, assignment, masking, comparators, outcomes, analysis, adverse events, and participant flow to understand a trial.

Updated
Oct 17, 2025
Evidence status
Foundational

Evidence review

Omega-3 supplements for cardiovascular prevention

Published:

Separate eating fish, ordinary fish-oil supplements, and prescription omega-3 products when assessing cardiovascular evidence and risk.

Updated
Sep 8, 2025
Evidence status
Mixed