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1answer
34 views

What is the evolutionary reason behind human preference for salty foods?

It's been established that food palatability is related to it's caloric density. This hypothesis is used to explain why humans are partial to sugar and fat. But it is also said that humans are partial ...
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0answers
20 views

How is nutrient uptake in humans measured?

There are many claims made about nutrient absorption, eg "Juicing helps you absorb all the nutrients from the vegetables". I'm curious to know how nutrient uptake is measured. Eg is it a pure ...
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1answer
15 views

Is nutrient absorption different in Hypersensitive I patients?

I am thinking how the nutrient absorption differs between between patients with allergies (Hypersensitivity I) and those not. The current guideline about number of eggs in diet is one daily ...
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1answer
70 views

Can a carnivorous animal consume plants with no adverse effects?

While I know that in nature, carnivorous animals are poorly suited to eat plants (largely due to having sharp teeth, not grinding teeth, as far as I know), I was wondering if, in an emergency ...
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1answer
43 views

How can eating bacon not make me fat? [closed]

This page says it won't. This page says it's the carb again http://www.mindbodygreen.com/0-10454/in-defense-of-bacon-why-eating-fat-can-help-you-get-thin.html I don't see how eating fat will not ...
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1answer
45 views

Can a chicken's lard become liquid depending on its diet?

On Cooking.se, somebody asked a question about the fat in chicken stock sometimes being liquid and sometimes solid once the stock has cooled. The only answer until now suggests that the difference is ...
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1answer
37 views

How essential is vitamin B3 to the diet?

I know this might seem contradictory since by definition a vitamin is an essential part of the diet but I have read that nicotinamide, a form of vitamin B3, can be synthesised from L-tryptophan. Is it ...
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1answer
98 views

Are the brains of any herbivorous animals capable of utilising ketone bodies as an energy source?

I ask this question because earlier today I heard from a lecturer at my university that a sheep's brain cannot utilise ketone bodies as an energy source and hence with insufficient glucose supply for ...
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1answer
102 views

Why are Taurine and Arginine essential components of the feline diet?

Taurine and arginine play a key role in the feline diet but I am unaware as to where exactly they fit in.
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1answer
3k views

White eggs can be considered as non-vegetarian?

I am basically a vegetarian and I find it very difficult to get an actual biological answer for this question on search engine. There are couple of links which discuss these argument but can not be ...
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1answer
151 views

What effect do oligosaccharides, like those found in legumes, have on the composition of intestinal flora in humans and if so how so?

I know that intestinal flora metabolising oligosaccharides, like those found in legumes, is the cause for the well known fact that legumes cause flatulence, but does an oligosaccharide-rich intestine ...
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0answers
34 views

Why is important to get saturated fatty acids from diet?

I am thinking why our body must get saturated fatty acids from diet. We can make them, since they are not essential fatty acids. The body can make all fatty acids except linoleic acid and ...