When? Only in the last 10,000 years of agriculture, I guarantee you hunter gatherers did not get the bulk of their calories from plants.
Also, it's heavily dependent on what culture you're talking about. Some cultures relied heavily on animals, others on plants.
well, sure, but we were talking before '1970, rather than "before agriculture", and cultures in which the sugar lobby might have affected consumptions, not inuit.
When? Only in the last 10,000 years of agriculture, I guarantee you hunter gatherers did not get the bulk of their calories from plants. Also, it's heavily dependent on what culture you're talking about. Some cultures relied heavily on animals, others on plants.