David Feifel
David Feifel, master clinician, certified neuropsychiatrist, and brain scientist.
David Feifel has been a guest on The Human Upgrade in July 2018. Each show is judged on its own.
Appearances
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The Human UpgradeKetamine to Neurofeedback: The Brain Hacking Episode - David Feifel : 513 ยท Jul 2018
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