Hefter Research Institute

Organization

An organization mentioned for its exceptional work, of which Dennis McKenna is a founding board member.

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Videos Mentioning Hefter Research Institute

The Depths of Ayahuasca: 500+ Sessions — Dennis McKenna

The Depths of Ayahuasca: 500+ Sessions — Dennis McKenna

Tim Ferriss

An organization mentioned for its exceptional work, of which Dennis McKenna is a founding board member.