The study of the appropriate provisions required to sustain life in an organism or the provisions themselves.

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Can humans transdermally absorb minerals from ocean water, and if so how much?

According to several studies quoted here, chemicals can be absorbed by the skin transdermally, at least under certain conditions. When it comes to elements in seawater like sodium, magnesium, ...
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35 views

Vitamin and mineral contents of common fruits

I'm looking for nutritional data, mostly vitamin and mineral contents of common fruits, such as apples, bananas, oranges, kiwis etc. Are there scientific (published and peer-reviewed) sources that ...
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20 views

Looking for detailed nutrient/energy flow at the bottom of the freshwater food chain

I am trying to model the production and consumption of nutrients and waste at the bottom of the food chain in freshwater ecosystems. I can only find broad information on the Internet and don't know ...
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107 views

Are there nutritional benefits to drinking diluted urine?

I know that urine drinking is a widespread practice (with a long history). The main reason that people give today involves there being nutrients in urine. If there are nutrients to be gained, why is ...
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71 views

Why does trans fat decrease hdl's?

I understand that cis fats increases hdl's, and unsaturated fat increases ldl's, but trans fat increases hdl's and it decreases ldl's. Why does trans fat do this?
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22 views

Is there a biological reason for spreading food intake into breakfast-lunch-dinner?

I keep hearing over an over how humans can satisfy their entire daily caloric need in one sitting at a fast food restaurant. At the same time I'm looking at the kitchen plates, cups, etc, and they ...
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47 views

Biological/molecular basis of nutritional need differences between blood types?

There are many nutrition books and websites (like http://www.aqua4balance.com/Healthy-Diet/blood-type-nutrition-educational-workshop.html) that assign very different nutritional needs to individuals ...
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27 views

In which blood vessels are these nutrients first found?

Some nutrients from the small intestine get absorded into the lymph and then led into the systemic circulation. In which blood vessels are these nutrients first found? The answer should be in the ...