These precisely tuned sound waves are designed to guide listeners into the specific delta brain wave patterns that are associated with the release of growth hormones, beneficial for healing and regeneration.
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These precisely tuned sound waves are designed to guide listeners into the specific delta brain wave patterns that are associated with the release of growth hormones, beneficial for healing and regeneration.
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Seller's Description:
Fair. May have some shelf-wear due to normal use. Your purchase funds free job training and education in the greater Seattle area. Thank you for supporting Goodwill's nonprofit mission!