Maria Levchenko
Researcher at Welltory
Latest articles
July 24, 2026
14
The Heart Keeps Score
What the 2026 World Cup did to America's heart rate — and to Spain's and Argentina's
HRV
Nervous System Snapshot of America 2025
July 3, 2026
247
The Nervous System Has Never Heard of Sunday Scaries
Nervous System Snapshot of America — 2025 Series
Nervous System Snapshot of America 2025
June 24, 2026
4,401
The Shape of an American Summer
Nervous System Snapshot of America — 2025 Series
Nervous System Snapshot of America 2025