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Rapid heart rate, weak pulse and low blood pressure are also potential effects, according to North Carolina Blue Cross and Blue Shield.—Charlotte Observer, 8 June 2026 Researchers examined whether regular use could influence physiological measures associated with stress regulation, including heart rate variability, a marker of autonomic nervous system function.—Samantha Agate, Fort Worth Star-Telegram, 8 June 2026 These tiny devices use electrical currents to correct issues with a person’s heart rate and get them back to normal, helping to prevent heart failure.—Alex Knapp, Forbes.com, 5 June 2026 Participants reported feeling more relaxed and recovered, with measurable improvements in sleep, heart rate variability and training readiness.—Samantha Agate, Kansas City Star, 4 June 2026 See All Example Sentences for heart rate