From the Field / Health
Wastewater Signals Can Give Flu Teams an Earlier View
Public-health laboratories are testing how viral measurements in sewage can complement clinics without turning one noisy signal into a forecast.
Author profile
Nico Reyes
Health and medicine editor
Nico Reyes reports on public health, clinical evidence, and the systems that determine who benefits from research.
Latest work
Health / Explainer
Why Microbiome Trials So Often Disagree
Diet, sampling, sequencing, medication, and statistics can all move a microbiome result before biology enters the argument.
Nico Reyes / Jul 15, 2026 / 8 min
Health / Explainer
The Sleeping Brain Rehearses More Than Yesterday
Neuroscience studies of replay suggest sleep may help the brain test possible futures, not simply file recent memories.
Nico Reyes / Jul 11, 2026 / 6 min
Health / Analysis
Public Health Teams Map Heat Risk Like an Outbreak
Cities are borrowing epidemiological tools to identify who is most vulnerable before the next extreme heat wave arrives.
Nico Reyes / Jun 30, 2026 / 7 min
Health / Analysis
Wearable Gait Sensors Bring the Hallway Test Home
Clinicians are testing whether everyday movement data can reveal recovery patterns that short office assessments miss.
Nico Reyes / Jun 26, 2026 / 6 min
Health / Field Report
Portable Ultrasound AI Is Being Tested Where Specialists Are Scarce
Rural clinics are evaluating whether assisted image capture can move urgent cases faster without overpromising full automation.
Nico Reyes / Jun 16, 2026 / 7 min