Nutrient requirements change along with the elements of your environment and your physical activity. Also, as you grow, your body uses differing/varying amounts of various things, which will create shortages of one but excesses of another.
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The metric used for tracking change in requirements is called the Requirements Change Index, sometimes called the Requirements Stability Index.
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You can only change your clothes on your penguin by clicking on it to remove and items you have collected to put on. you can't change other peoples unless you ask them.
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nitrogen
,
it hasn't
Estimated Average Requirements (EAR): The nutrient intake value that is estimated to reach the requirements in 50 per cent of people in a specific group, usually defined by age and sex.
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