Dex Mercer
Editorial personaThe Public Health Menace
The Public Health Menace is the byline for provocative, myth-busting commentary — the voice that says the uncomfortable thing and then shows the evidence behind it.
- Commentary
- Myth-busting
- Behavior
Dex Mercer is a recurring editorial pen-name persona used by the Today in Public Health newsroom for provocative, myth-busting opinion and commentary. It is not a real individual — no biography, credentials, employment history, or lived experience is implied or should be inferred. Every piece published under this byline is researched, written, and edited by real people who are accountable to our editorial standards.
Stories under this byline
- Evidence-based commentaryHuman · Global
The Diagnostic Gap Will Not Close at the Podium
A global coalition wants coordinated action on diagnostic access. The useful next measure is what changes along the service pathway.
- Evidence-based commentaryHuman · Global
A Blood-Donation Pledge Is Not a Bag of Blood
WHO’s ENHYPEN collaboration shows how attention can mobilize people. Measuring the result means following what happens after the pledge.
- Evidence-based data commentaryHuman · Global
The National Average Has Excellent Camouflage
WHO's new NCD inequality report looks inside countries. A headline number can describe progress while leaving important differences out of view.
- Evidence-based food-policy commentaryFOOD · PUBLIC CLAIMS
Food-Dye Promises Have a Scoreboard. Here’s How to Read It.
FDA’s tracker brings commitments into one place. The useful reading starts with the products, deadlines and definitions behind each status.
- Policy commentaryGLOBAL · ALCOHOL POLICY
Alcohol Policy Needs an Operating Manual, Not Just a Launch Photo
WHO’s new Western Pacific account focuses on the gap between a policy and its execution. The useful questions are about authority, resources, monitoring and access to help.
- Evidence commentaryHUMAN · Evidence commentary
The Pertussis Vaccine Worked in Alaska. Read the Fine Print Anyway.
A new outbreak analysis supports strong protection from DTaP in young children. Its age range, outcome and study design are part of the finding.
- Numbers-first commentary and explainerGLOBAL · Numbers-first commentary and explainer
The “$54 Back” Number Is Not a Coupon for TB Prevention
WHO’s new investment case models returns of up to $54 for each dollar invested in tuberculosis screening and preventive treatment. “Up to” is doing serious work in that sentence.
- Provocative public-health commentaryGlobal · Science communication
A Movement for Trust in Science Needs More Than Signatures
WHO is inviting institutions into a new global movement. The useful question is not who endorses the declaration, but what affiliates agree to show.
- Provocative public-health commentaryGlobal · Pandemic preparedness
A Pandemic Declaration Is Not a Stockpile
The UN has adopted an expansive preparedness agenda. The next test is whether countries attach budgets, workers, supplies and deadlines to its verbs.
- Evidence-based commentaryHuman · Mental health
No, This Study Does Not Say a Walk Will Fix a Mental-Health Crisis
CDC found two important young-adult trends. It did not prove that one caused the other.
- Evidence-based commentaryGlobal · Human
Young People Are Already in Global Health. An Advisory Seat Has to Lead Somewhere.
WHO’s new Youth Council term includes 25 organizations. The meaningful test is whether youth participation can be traced to decisions, resources and results.
- Evidence-based commentaryFood · Human
They Identified the Wrap. They’re Still Investigating the Contamination.
An outbreak vehicle, a contaminated ingredient and a public warning answer different questions. FDA’s chicken-wrap investigation shows why the distinctions matter.
- Surveillance-methods explainerHuman · Data
WHO Put a Mouth Exam Inside Its NCD Survey. That Changes What Countries Can See.
A revised WHO module pairs questions with a brief clinical assessment that trained non-dental survey staff can perform. The opportunity is better population data; the test is whether those data change policy.
- Genomic-surveillance explainerAntimicrobial Resistance · Surveillance
Europe’s Drug-Resistance Warning Is About More Than One Superbug
ECDC says carbapenem resistance, virulence and cross-border spread are converging in ways that make infections both harder to treat and harder to contain.
- Preparedness evidence explainerPreparedness · Infection Prevention
Seventy-Three Drills Tested Clinic Readiness. Only 44 Completed Both First-Line Protections.
Unannounced avian-flu simulations found that most facilities screened for symptoms, but full masking, isolation, protective equipment and notification performance was much less consistent.
- AnalysisFood Safety · Outbreaks
Seventy-Six Illnesses, One Seed Lot, and a Recall That Kept Expanding
FDA’s October 1 update links 76 illnesses in 16 states to recalled alfalfa seed lot SAL2-24JB. The count is real. It is not the same thing as a distribution map.
- AnalysisFood
Two Sprout Outbreaks, Three Pathogens, One Supply-Chain Problem
A broccoli-sprout Salmonella outbreak and a separate mixed alfalfa outbreak are not the same event. Both point upstream, to seed, and the numbers only make sense if you keep the units straight.
- ColumnFood
One Reported Illness Can Trigger a 45-State Seed Recall. That Is the System Working.
A single illness reported to a company, one lot of alfalfa sprouting seed, and a recall reaching dozens of states: the scale sounds alarming, but it is exactly how a traceback-driven food-safety system is supposed to behave.
- ColumnDental
Your Teeth Apparently Aren't Part of Your Body
A sharp, evidence-grounded look at why U.S. financing carves dental care away from the rest of health care — and what that split costs prevention, pain, nutrition, employability, pregnancy, and avoidable emergency care.