Heart rate variability low-frequency and high-frequency power

1. Sudarshan kriya yoga improves heart rate variability low-frequency and high-frequency power in humans.

   “12-week of SKY improved waist circumference, MetS severity, and selected HRV measures in MetS adults.”

   Human trialAdults with metabolic syndrome; benefits consistent across per-protocol and intention-to-treat analyses12 weeksn = 72

   Effects of a 12-Week Yogic Breathing Intervention on Metabolic Syndrome Severity and Cardiovascular Risk Factors: A Randomized Controlled Trial

   Complementary therapies in medicine·14 Oct 2026

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