Is Michael Pollan's book a plagiarism?

In the English-language video presented here, the author and psychedelic historian Thomas Hatsis addresses the controversy surrounding Michael Pollan and his bestseller How to Change Your Mind. The author and journalist Erica Rex has argued that the core concept of Pollan's bestseller – especially the focus on psychedelic therapies – is based on her original idea. Thomas Hatsis investigates whether it is actually a plagiarism or whether Michael …