All about fruitarianism with a long-term fruitarian, Lena
The natural world as affected by human activity, the surroundings or conditions in which a people, animals, or plants live, habitat.
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A man can live and be healthy without killing animals for food; therefore, if he eats meat, he participates in taking animal life merely for the sake of his appetite. And to act so is immoral.
Nitrogen balance is a measure of nitrogen input minus nitrogen output:
Nitrogen Balance = Nitrogen intake - Nitrogen loss
Nitrogen is a fundamental component of amino acids, which are the molecular building blocks of protein. Measuring nitrogen inputs and losses can be used to study protein metabolism.