Gordon Mackenzie

Gordon Mackenzie has a first-class degree in philosophy from Durham university (UK). He taught English in eastern Europe, before working as a translator in France and Belgium. He now lives and works as a translator in Cambridge in the UK. Find out more and pre-order The Sanity Diet at sanitydiet.net.

The Sanity Diet Book Excerpt – Mystery of the Caves Provides a Glimpse Into the Past & Our Place in Nature

October 3, 2020 Updated March 3rd, 2021

A personal appeal and book recommendation from Dr. T. Colin Campbell: The Sanity Diet – Why you need to go vegan to stop the madness and help save the world, and how to start a global vegan revolution.

Student posing with their Plant-Based Nutrition Certificate

Program Overview

23,000+ students
100% online, learn at your own pace
No prerequisites
Continuing education credits

Enroll today

The Sanity Diet Book Excerpt – Mystery of the Caves Provides a Glimpse Into the Past & Our Place in Nature

Earn Your Plant-Based Nutrition Certificate

Join over 20,000 students who have improved their health, learned new skills, and even inspired career changes.

Program Overview