How StayOnHealth handles evidence, experience, uncertainty, and responsibility
Medicine can be harmed by false information. It can also be harmed by accurate information presented without context, without limits, or without regard for the person who must live with it.
StayOnHealth was created to explore what happens when medicine leaves the clinic and enters ordinary life. That means writing about health, caregiving, aging, technology, recovery, prevention, and the systems around them. Some pieces are clinically focused. Others begin with an operating room, a patient encounter, a family conversation, or something noticed far from a hospital.
The standards below explain how I approach that work.
Who is responsible for the content
StayOnHealth is an author-led publication.
I am Mustafa Kemal Çalık, MD, a cardiovascular surgeon and digital health consultant with more than three decades of clinical experience. My work has included cardiovascular and vascular surgery, chronic vascular disease, clinical decision-making, recovery after treatment, and later work at the intersection of medicine and digital health.
I am also writing from the other side of the medical encounter. I became a patient early in my own career and learned that technical success and lived recovery are not always the same thing.
That combination shapes this site, but it does not make every personal observation a medical fact.
I am responsible for the final content published under my name, including its clinical interpretation, sources, limitations, and corrections.
What kind of content appears here
StayOnHealth publishes several different kinds of writing, and I believe readers should be able to tell which they are reading.
Some articles explain medical evidence, prevention, health risks, recovery, caregiving, or digital health. These require a higher level of sourcing and clinical precision.
Some are evidence-informed essays. They may begin with a scientific finding but move toward a broader question about families, independence, technology, access, or the way health care is organized.
Others are reflective pieces drawn from clinical practice or personal experience. Their purpose may be to illuminate judgment, uncertainty, responsibility, or the human consequences of medical decisions rather than to provide clinical guidance.
These forms can overlap. When they do, I try to make the boundary visible.
Experience may open the question. Evidence should carry the medical claim.
How medical evidence is selected
When an article makes claims that could influence how readers understand disease, risk, prevention, treatment, medication, screening, prognosis, or health outcomes, I aim to ground those claims in appropriate medical evidence.
Whenever practical, I give priority to:
- Clinical guidelines and recommendations from established professional or public-health organizations.
- Systematic reviews and meta-analyses.
- Major peer-reviewed clinical or population studies.
- Primary scientific research when it is directly relevant.
- Reputable public-health, academic, governmental, and professional medical sources.
A single study rarely deserves the final word.
Research findings are considered in context: study design, population, size, limitations, consistency with other evidence, and whether the results can reasonably be applied to the people reading the article.
Where the evidence remains uncertain, I try to say so.
Evidence, interpretation, and clinical experience
Medical writing becomes misleading when these three are allowed to blur into one another.
A published study may establish an association without establishing causation. A guideline may provide a population-level recommendation without determining what is right for one individual. A surgeon’s experience may reveal patterns worth examining without proving that those patterns apply universally.
I therefore try to distinguish among:
What the evidence supports.
What I believe the evidence may mean.
What clinical or personal experience has taught me.
Those are not interchangeable forms of knowledge.
Clinical experience matters. So does knowing where its authority ends.
Medical accuracy and uncertainty
Medicine changes.
Recommendations evolve. New evidence may strengthen an established practice, weaken it, or reveal that something we once believed with confidence was incomplete.
I do not intend StayOnHealth to present medicine as more certain than it is.
When reasonable specialists disagree, when evidence is mixed, or when an important limitation changes how a result should be understood, I aim to make that uncertainty visible rather than smooth it away.
The goal is not to make every article hesitant. It is to make confidence proportionate to evidence.
Authorship and medical review
Articles written by me identify me as the author.
Because StayOnHealth is currently an author-led publication, I do not describe my own articles as “medically reviewed by Mustafa Kemal Çalık, MD.” When author and reviewer are the same person, such wording can imply an independent layer of review that did not occur.
Where another qualified professional materially reviews an article in the future, that contribution may be identified separately.
For medically consequential subjects, I may also seek specialist input when the question falls outside the limits of my own expertise.
Credentials matter, but expertise has boundaries.
A cardiovascular surgeon should not pretend that thirty years in medicine makes him the final authority on every field within it.
Publication dates, updates, and corrections
Health information should not become timeless merely because it remains online.
Articles should display their original publication date. When a substantive change is made because of new evidence, an important clarification, or a meaningful correction, the article may also display a Last updated date.
Minor punctuation, formatting, spelling, or technical changes do not justify presenting an older article as newly updated.
If I discover a factual or clinically meaningful error, the goal is to correct it rather than quietly defend it.
Material corrections should be made clearly enough that a returning reader is not misled about what changed.
Readers who identify a possible error are encouraged to contact StayOnHealth.
Patient stories, clinical encounters, and privacy
Stories can explain medicine in ways statistics cannot.
They also carry obligations.
Patient and family stories used on StayOnHealth are handled with attention to privacy and dignity. Identifying details may be removed, altered, combined, or withheld when necessary to prevent recognition. In some cases, a vignette may represent a composite of more than one clinical encounter.
Details that are medically unnecessary but personally identifying should not be included simply because they make a story more vivid.
When a story is substantially altered or composite in nature, the surrounding text should not imply otherwise.
A person’s illness belongs first to that person, not to the physician who remembers it.
Personal experience
I sometimes write about my own experience of illness, surgery, recovery, and living inside medicine rather than only practicing it.
Those passages are presented as personal experience.
They may inform how I think about care, dependency, dignity, fear, recovery, or the limits of technical medicine. They should not be interpreted as evidence that another person’s illness will follow the same course.
A memoir is not a clinical trial.
Both can tell the truth. They tell different kinds of truth.
Conflicts of interest and commercial relationships
Readers should be able to know when financial or professional relationships could reasonably affect how a subject is presented.
Relevant commercial relationships, sponsorships, paid partnerships, consulting arrangements, or other material conflicts should be disclosed when they bear directly on the content.
Sponsored material, should StayOnHealth publish it in the future, will be identified as such.
Commercial support will not be presented as independent medical evidence.
StayOnHealth does not sell placement inside editorial conclusions.
Products, devices, medicines, and digital health
A device can be useful without being necessary. A technology can be promising without being proven. A treatment can be effective while still being wrong for a particular patient.
When products, medications, tests, digital tools, wearables, artificial intelligence, or other health technologies are discussed, I aim to distinguish evidence from marketing claims.
The presence of a link, product name, company, or technology in an article should not by itself be understood as an endorsement.
Where financial relationships exist, they should be disclosed.
Digital and artificial-intelligence tools
Digital tools may assist parts of the editorial process, including research organization, source discovery, language refinement, editing, formatting, technical publishing, or checking the structure of an article.
They do not carry medical responsibility.
Articles published under my name are conceived, directed, critically reviewed, and finally approved by me. Medical interpretation, clinical judgment, factual responsibility, and the decision to publish remain mine.
AI-generated assertions are not treated as medical evidence.
When a digital tool helps identify a source, the underlying source should be evaluated rather than treating the tool’s summary as authority.
The tool may help organize the map.
It does not decide where the road leads.
External links and sources
Links are provided when they can help readers examine evidence, understand context, or reach an authoritative source.
An external link does not mean StayOnHealth endorses everything published by that organization or website.
Sources may be updated, moved, revised, or removed by their publishers. When an important source becomes obsolete, I aim to replace or update it when the article is reviewed.
Medical information is not individual medical care
StayOnHealth provides educational information, analysis, commentary, and personal perspective.
It does not diagnose individual readers, establish a physician-patient relationship, or replace examination and advice from a clinician who knows the person’s history and circumstances.
Symptoms, medications, test results, and treatment decisions can have very different meanings in different people.
Urgent or potentially life-threatening symptoms require appropriate local medical care rather than reliance on information found on this website.
A more detailed Medical Disclaimer is available separately.
A final standard
There is a temptation in health publishing to sound certain because certainty travels well.
Medicine has taught me something less comfortable.
Trust is not built by pretending that every question has been settled. It is built by showing readers what we know, what we do not know, where experience enters the story, and who is willing to take responsibility for the words on the page.
That is the standard I want StayOnHealth to meet.
Mustafa Kemal Çalık, MD
Cardiovascular Surgeon and Digital Health Consultant
Founder, StayOnHealth
Last updated: September 25, 2026