Dr. Travis Stork and Zona CEO, Mark Young Behind The Scenes

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Zona Plus Scam

The sad part about all of them (without exception) is that the people who are writing them have never even touched a Zona Plus device. They are writing about a “scam” because of their own disbelief that revolutionary digital technology could actually cause physiological changes which can reduce high blood pressure.
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Isometric Handgrip Exercise and Resting Blood Pressure: A Meta-Analysis of Randomized Controlled Trials.

OBJECTIVE: To examine the efficacy of isometric handgrip exercise for reducing resting SBP and DBP in adult humans. METHODS: Meta-analysis...

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Effects of Isometric Handgrip Training Among People Medicated for Hypertension: A Multilevel Analysis

To examine the longitudinal effects of isometric handgrip (IHG) exercise training on blood pressure using hierarchical linear modelling.
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Isometric Handgrip Training Improves Local Flow-Mediated Dilation in Medicated Hypertensives

Bilateral isometric handgrip (IHG) training lowers resting arterial blood pressure (BP) in medicated hypertensives. Numerous mechanisms have been suggested, but have yet to be investigated. 

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The Effects of Isometric Exercise Training on Resting Blood Pressure and Orthostatic Tolerance in Humans

Isometric exercise training has been shown to reduce resting blood pressure, but the effect that this might have on orthostatic tolerance is poorly understood. 

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