Boundless: Upgrade Your Brain, Optimize Your Body & Defy Aging (Updated and Revi
73,96 €
In an ideal world, you could optimize mind, body, and spirit-and now you can. Biohacker and coach Ben Greenfield reveals how to unlock boundless energy in his popular book Boundless. Vagus Nerve Stimulation- Beat stress, sleep soundly, and increase HRV using electricity, light, and sound to tune your nervous system.
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