Mar 22, 2026Vagus Nerve Stimulation and Opioid Withdrawal PainA tiny tcVNS pilot linked lower opioid withdrawal pain with HRV changes. The biomarker signal is plausible, but it cannot prove treatment or mechanism.hrvvagus nerve stimulationparasympatheticRead article →
Mar 16, 2026Exercise, HRV, and Cancer’s Hidden Autonomic DamageCancer treatment can disrupt heart-rate variability and autonomic balance. Exercise may help, but cardio-oncology rehab evidence remains thin.chemotherapyautonomic nervous systemheart rate variabilityRead article →