Maria Levchenko
Researcher at Welltory
Latest articles
What a heartbeat knows about the place you live
Can a smartwatch detect economic hardship?
US health snapshots
The heart keeps score
What the 2026 World Cup did to America's heart rate — and to Spain's and Argentina's
HRV
The nervous system has never heard of Sunday scaries
Nervous System Snapshot of America — 2025 Series