One of five video shorts made by Dr. D'Adamo and exhibited during the author tour for his book 'Live Right For Your Type". Soundtrack by noted avant guarde composers Leptone Music and is used with their permission. 'Substance' examines the structure and function of the blood group antigens and their significance in human prehistory, with regard to infections and anthropology.

Dr. Peter D'Adamo is the author of the NY Times best selling book, Eat Right 4 Your Type: https://www.4yourtype.com/eatrightf...

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