Questions tagged [diet]

The amount and variety of food consumed by an organism, usually for nutrition.

20 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
6
votes
0answers
822 views

Does variation in human gut length vary predictably with diet of ancestors?

Background: Numerous online searches, textbooks and other sources seem to pin the average length of the human gut from mouth to anus (oroanal) between about 5-10m in length. To pick a reputable ...
4
votes
0answers
99 views

Does anxiety about weight or eating cause people to become overweight?

A while ago I saw this TED talk about the futility of dieting. The speaker suggests that a body maintains a homeostatic weight point and returns to that weight after dieting has stopped: Turns out ...
3
votes
0answers
84 views

Has a walrus ever been filmed catching a seal under water?

Walruses have been long thought to be grazing feeders, scooping up clams from the sea floor. However, when walruses bodies have been examined by scientists, frequently the remains of seals are found ...
2
votes
0answers
37 views

How do Apes get their Omega 3s in the wild given so few plant sources? Are they able to convert it to DHA?

Given so few plant sources(around 6-7) of ALA, how do Apes get ALA in the wild? Are they able to convert it into DHA in satisfactory amounts?
2
votes
0answers
38 views

Can the human body survive in a zero sugar diet strictly through gluconeogenesis?

I read an article a while back about athletes (I believe cyclists) being exposed to a 0 sugar diet and their blood sugar levels stayed relatively constant, which prompted the question whether people ...
2
votes
0answers
77 views

Glycogen replenishment after exercise

In the body, the liver holds between 90-110 grams of glycogen in storage, while skeletal muscle storage makes up another 400 grams. If a person exercises and depletes both stores, when a carbohydrate ...
2
votes
0answers
56 views

Could felines live without meat?

Algae are a source of taurine and mushrooms are a source of vitamin D3. Both also contain high protein. So, it seems possible to feed a cat or other felines without any meat. Are there any concerns to ...
2
votes
2answers
169 views

Is a species lifespan affected by meat consumption?

I read a review-like article about the hypothesis of Caleb E. Finch in a science magazine. The article of interest engages with the idea of Finch "[arguing] that immune functions and nutrition ...
1
vote
0answers
46 views

If excess sodium is bad for humans, why don't our bodies just remove it?

This is one of those questions where I realized two everyday facts don't connect for me. Excessive sodium in the diet is supposed to be bad for us. But surely our bodies have mechanisms for getting ...
1
vote
0answers
35 views

What do oxpeckers eat from thick-skinned hippopotamuses and rhinoceroses?

Noted for their thick skin are both rhinoceroses (1.5 to 5 cm) and hippopotamuses (6 cm). They are further noted for their symbiotic relationship with bird called an oxpecker: Both the English and ...
1
vote
0answers
20 views

What happens to lipoprotein lipase after a sugar only diet?

Insulin increases the activity of lipoprotein lipase thay allows cells to take in lipids from chylomicrons in the blood. If a person takes a sugar only meal like drinking coke, insulin is released. ...
1
vote
0answers
61 views

Omnivore vs Carnivore territory size

Edit: Large carnivores require lots of territory. What about bears? They're omnivores. How much does that count? Is there anywhere I could find weight/territory ratios for mammals, depending on diet? ...
1
vote
0answers
34 views

How do furniture beetle larvae drink?

I have read that the furniture beetle (Anobium punctatum) has larva that will burrow for three to four years in wood before emerging and pupating. How do they obtain water during that time if they are ...
0
votes
0answers
24 views

Is there any correlation between animal diet and blood pH?

The alkaline diet claim that as we humans have a slightly basic pH we shouldn't eat acidic food like meat (I think they claim that meat ashes are acid). I was wondering that if carnivores animals ...
0
votes
0answers
9 views

Does the harvesting time of broccoli sprouts change their glucoraphanin content and sulforaphane formation capacity?

Does anybody know if the harvesting time affects glucoraphanin content and sulforaphane formation of broccoli sprouts? Do they also get affected by light exposure or lack of it?
0
votes
0answers
23 views

Can humans eat a greater variety of things than other omnivores?

One thing that I've always noted is that humans seem able to eat just about anything that isn't toxic (and many things that are). Even when compared to other omnivores, I have the impression that ...
0
votes
0answers
84 views

Can it always be determined if an animal is a carnivore, omnivore, or herbivore by its teeth or are there exceptions?

Take the panda, for instance, it has canines but it's an herbivore. However, are there are other aspects of its teeth where one could still tell that it's an herbivore? Do the teeth always relay the ...
0
votes
0answers
35 views

Is it safe to feed the squirrels?

I hope this question fits here, I haven't found another community where it would fit. Two years ago I was in a hotel in Sri Lanka (south-western coast) and in the hotel gardens there were a lot of ...
0
votes
0answers
47 views

Co-dependency between carbohydrates, fats and protein in the mammalian diet?

Following up from the question Are carbohydrates an essential component of human diet? I am interested in knowing more specifically how carbohydrates, fats and proteins are linked in the mammalian ...
0
votes
0answers
93 views

Are vegetables really needed in our diet?

I want to believe that eating vegetables is necessary even when one takes vitamins, but I can't find any medical evidence for this. To make my question specific, suppose a study on twins were done in ...