Health Information Guide

Build safe research habits

Not all online health information is accurate or reliable. This guide helps you evaluate sources, research symptoms responsibly, and make informed health decisions.

1. Evaluating online health information

Before trusting any health-related website, check the following:

Check the source

  • Trust government agencies (CDC, WHO, DOH) and reputable medical institutions.
  • Avoid personal blogs, sponsored content, or missing credentials.

Look for evidence

  • Reliable sites cite scientific studies and research links.
  • Avoid bold health claims without evidence.

Check for updates

  • Medical advice evolves, so check when it was updated.
  • Outdated information can lead to incorrect self-diagnosis.

Use the CRAAP Test

Apply Currency, Relevance, Authority, Accuracy, and Purpose before trusting any medical advice.

View CRAAP guide

Practice with scenarios

Check your decision-making with the advanced risk assessment quiz.

Take the quiz

2. Researching symptoms responsibly

Self-research is helpful, but improper self-diagnosis can cause anxiety or delay professional care. Follow these best practices:

Use trusted websites

  • Rely on reputable sources like Mayo Clinic, CDC, or WHO.
  • Be skeptical of forums or unverified blogs.

Consider the full picture

  • One symptom alone does not confirm a condition.
  • Similar symptoms can have different causes.

Know when to seek help

  • Visit a doctor if symptoms persist or worsen.
  • Seek immediate help for chest pain or breathing issues.
Need trusted links? Visit the curated list in the resources page.View resources

3. Common pitfalls to avoid

Avoid cyberchondria

  • Over-searching can lead to unnecessary stress.
  • Not every headache indicates a serious illness.

Be cautious of misinformation

  • Do not spread unverified health claims.
  • Check multiple sources before trusting advice.

Final thoughts

The internet is powerful, but it is not a substitute for professional medical advice. Verify sources, research responsibly, and consult a doctor when in doubt.