Healthcare Advocacy

How Do You Know Which Health Information to Trust?

Published October 29, 2026

Being skeptical about health information is not a bad thing.

In fact, some skepticism is useful.

The problem is that we now live in an environment where excellent medical information, misleading information, personal experience, advertising, preliminary research, influencer content, and outright nonsense can all appear on the same screen.

So the better question is not:

“Should I trust the internet?”

It is:

“How do I evaluate what I am looking at?”

Start with who is speaking

Who created the information?

Is it a federal health agency? A medical school? A professional medical organization? A nonprofit organization? A company? An individual?

The National Library of Medicine’s MedlinePlus guidance recommends looking at who runs a website, what its purpose is, who funds it, how information is reviewed, where the claims come from, and whether the material is current.

https://medlineplus.gov/evaluatinghealthinformation.html

None of those questions automatically prove something is true.

But they tell you a lot.

Then ask what they want from you

Is the purpose primarily to educate?

Or are you being sold something?

A supplement?

A test?

A course?

A treatment?

A subscription?

Commercial involvement does not automatically make information false. But financial incentives are worth knowing about.

Be especially cautious when the claim and the product appear in the same sentence.

Look for the evidence behind the claim

Good health information should make it possible to figure out where the claim came from.

Is there research?

A guideline?

A government source?

A professional organization?

Or is the entire argument built around one person’s experience?

Stories can be powerful.

They are not the same thing as evidence.

Watch for dramatic certainty

Medical science is usually full of qualifications.

“This treatment may help certain people under certain circumstances” is much more typical of real clinical evidence than:

THE ONE THING DOCTORS DON’T WANT YOU TO KNOW.

MedlinePlus advises caution around dramatic claims, promises of cures, and information that sounds too good to be true.

https://medlineplus.gov/evaluatinghealthinformation.html

That rule has aged remarkably well.

Check the date

Health information changes.

Guidelines change.

Treatments change.

Recommendations evolve as new evidence becomes available.

An article from a reputable source may still be outdated.

Look for a publication or review date.

See whether other reliable sources agree

One source should rarely be the end of the investigation.

If you read an important medical claim, see whether organizations such as NIH, CDC, FDA, a major academic medical center, or a relevant professional association say something similar.

MedlinePlus recommends comparing information across reliable sources rather than relying on a single website.

https://medlineplus.gov/evaluatinghealthinformation.html

“The science changed” does not necessarily mean science failed

This is an important distinction.

Science is a process of updating our understanding when better evidence becomes available.

Sometimes recommendations change because the evidence changed.

Sometimes a new treatment outperforms an old one.

Sometimes a study that looked promising does not hold up when more people are studied.

That can feel frustrating.

But changing conclusions in response to better evidence is part of what science is supposed to do.

You are allowed to bring internet questions to your healthcare team

You do not have to pretend you did not Google it.

Bring the article.

Bring the screenshot.

Bring the study.

Ask:

“Does this apply to me?”

“Is this source reliable?”

“Why does this recommendation differ from what I read?”

A good healthcare conversation should leave room for questions.

The goal is not blind trust.

The goal is informed trust — understanding where information came from, how strong the evidence is, and how it applies to the actual person receiving care.

The Nursing Suite helps individuals and families organize medical information, prepare for appointments, and make sense of complicated healthcare decisions.

Talk to a Nurse when you need help separating useful information from noise.