The point is man can thrive without carbohydrates in their diet because both fats and proteins can be metabolized into sugars for energy (ketogenesis). You can't live, let alone thrive without fats and proteins though.

The point is man can thrive without carbohydrates in their diet because both fats and proteins can be metabolized into sugars (ketogenesis). You can't live, let alone thrive without fats and proteins though.