Can the body naturally clean fat from arteries? | AskScience Blog

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Friday, February 8, 2019

Can the body naturally clean fat from arteries?

Can the body naturally clean fat from arteries?


Can the body naturally clean fat from arteries?

Posted: 08 Feb 2019 06:47 AM PST

Assuming one is fairly active and has a fairly healthy diet.

Or once the fat sets in, it's there for life?

Can the blood vessels ever reach peak condition again?

submitted by /u/Naygen
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Do we defecate our food in the order of which we ate it?

Posted: 07 Feb 2019 06:29 AM PST

For example if i ate a piece of bread after shitting, will the first thing that comes out in my next shitting be the remains of that piece of bread?

The wording is probably bad hope yall can understand all this

submitted by /u/yjlam
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when mammals develop in the womb of the mother they get their oxygen and blood flow from the mother right? so my question is where does the oxygen and blood flow come for birds and other species that develop in an egg?

Posted: 07 Feb 2019 08:38 PM PST

Antibiotic medications can give rise to antibiotic-resistant bacteria. The medicine doesn't distinguish between good and bad bacteria. Doesn't that imply that antibiotic use will result in antibiotic-resistant "good" bacteria also? More powerful gut bacteria can improve immunity.

Posted: 08 Feb 2019 06:48 AM PST

Has all the infrastructure built for mining bitcoin whose price has since collapsed led to a glut of cloud computing power and a drop in price for other uses?

Posted: 08 Feb 2019 05:28 AM PST

I apologise if this is the wrong sub. This is an interdisciplinary question so I'm not sure where to ask.

submitted by /u/JohnnyFiveFIngers
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What makes the International Space Station or any other object stay in a precise planetary orbit?

Posted: 07 Feb 2019 09:56 PM PST

It seems exceedingly unlikely for an object to have the perfect velocity to stay in a set orbit. And yet the International Space Station has been in orbit for decades. Is the ISS constantly adjusting itself to correct its velocity, or does gravity act as a self-correcting feedback loop to sustain a relatively constant orbit?

submitted by /u/1917-was-lit
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Is there a way of knowing what the geographical state would be in future of any continent or land mass?

Posted: 08 Feb 2019 03:20 AM PST

For example, countries like US and Australia have a huge desert like vegetation in many parts. What would be the future of such places? Are they gonna get drier or otherwise?

submitted by /u/asatomasadgamaya
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Quick question. Why is the graph of the boiling points for alkanes non linear?

Posted: 08 Feb 2019 02:01 AM PST

How is the speed of sound in water and its density related?

Posted: 07 Feb 2019 09:38 PM PST

Maybe a bit of a dry topic but I'm interested in the relationship between the speed of sound in water and the density of the water. I've had a good look around the internet but can't seem to find it - possibly not searching the right thing.

The end goal here is using a sound speed profile to determine how the buoyancy of an object changes as it moves vertically through the water column. And, to bound this, in conditions possibly experienced in the ocean (e.g. 0-40 deg, 1000-1030kg/m2, 0-500m).

submitted by /u/SilentKaos713
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How do amino acids from food enter cells and become proteins?

Posted: 08 Feb 2019 05:05 AM PST

I'm not asking about the translation steps, but about how amino acids actually enter the body. If we get amino acids from food, do they get broken down more and then remade? Do they just float into the cytoplasm? How does a cell "grab" a specific amino acid to use to make a protein?

submitted by /u/climatechange1ah
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Why isn't the olfactory sense processed like the other senses?

Posted: 08 Feb 2019 04:11 AM PST

All afferent sensory information has to synapse in the thalamus before reaching its respective cortical areA, but the olfactory sense does not?

Another question: Which of the senses 'came first', i would imagine olfactory receptors being the oldest as they are exclusively GPCRs.

Thanks beforehand

submitted by /u/pitroms
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What force does quantum entanglement use?

Posted: 08 Feb 2019 07:39 AM PST

As mentioned in the title, do we know what force is responsible for quantum entanglement?

submitted by /u/innaison
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How effective is the 1-10 pain scale in triaging/diagnosis?

Posted: 07 Feb 2019 10:19 AM PST

I know that this scale is useful measuring a specific pain over time, but is it of any value the first time a patient is asked?

I'm wondering because not only is pain of course subjective from person to person, but based on that individual's experience a current "5" may be completely different than a "5" last month. For example, I had a kidney stone and I can't imagine anything will ever be comparable to that pain, so I wouldn't rate current instances "against" that.

submitted by /u/sheepthechicken
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Why can’t fog form near the ground if it’s windy but clouds can form in the atmosphere where it’s much windier?

Posted: 07 Feb 2019 04:21 PM PST

If wave function collapse occurs when the wave function is observed or interacts with the 'external world,' how can we know it was in a superpositioned state before observation?

Posted: 07 Feb 2019 04:35 PM PST

If the universe is expanding, why cant we determine our position in the universe based on the speed in each direction?

Posted: 07 Feb 2019 10:36 PM PST

How did organisms evolve skeletons?

Posted: 07 Feb 2019 08:54 PM PST

I understand that at some point ( a VERY long time ago.) multicellular organisms split into invertebrates and vertebrates. However, how did something as complex as the internal skeleton (or for the sake of asking, exoskeleton) evolve? Was the exoskeleton a precursor to the internal skeleton or did they evolve independently? Was there as some point an organism with a partial skeleton?

submitted by /u/JacyVuno
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Does frequent REM sleep (or just having many vivid dreams in one night) effect quality of sleep?

Posted: 08 Feb 2019 01:29 AM PST

I used to (up until 2 years ago) often wake up many times during the night (every 3-4 hours), all after a vivid dream. I grew to love it due to me being able to enjoy being snuggled up in bed longer, but I'm curious as to whether this would have effected my quality of sleep overall? Even though I always got 8 hours of sleep or so.

submitted by /u/Pugblep
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How can we measure the no of electrons in an atom?

Posted: 08 Feb 2019 04:43 AM PST

Like I saw a post which showed latest image of DNA but it was still very clumpsy. Then how can we know things like no of electrons and bond lengths? Like before Mendeleev and now? Thanks.

submitted by /u/ashwinkafle
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Will a transplant limb work on its own DNA or adapt to the patients DNA?

Posted: 07 Feb 2019 10:11 PM PST

So if you got a hairy hand put on your right arm but your original hand was not as hairy. Or would a slightly darker natural tone eventually even out? Or will it always be obvious?

submitted by /u/chriscroc420
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How does the Monty Hall problem work?

Posted: 07 Feb 2019 07:14 PM PST

If you don't know what this refers to, look it up. My question is, why in a mathematical proof, does switching doors increase your odds? I mean if you started with three doors, picked one and now have two doors to pick from, why isn't it 50/50? Some of you might say, "Oh, but you started out with three choices." Here's the thing, let's say I give you a six sided dice. A 1/6 chance. You roll it and I switch it out for a quarter and ask you to flip. A 1/2 chance. How in any way does the quarter influence the odds of the dice or vice versa?

submitted by /u/Idiewithoutregret
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If there are red, yellow, blue, white, and "brown" stars, why arent there any other colors?

Posted: 07 Feb 2019 08:16 PM PST

More specifically, why aren't there any green stars?

submitted by /u/sassy_the_panda
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How do people go to ISS from Earth and how they return?

Posted: 08 Feb 2019 03:37 AM PST

Any video showing the process?

Also, what is the purpose of ISS?

submitted by /u/GoodProgrammer2018
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How quickly does our digestive system process fats?

Posted: 07 Feb 2019 03:40 PM PST

Basically what the title says.

I have noticed that I often have to poop half an hour after eating. I know that food isn't processed that fast, and I don't think that I eat that regularly for it to be from a few days ago.

It tends to happen mostly after a large meal, such as from a fast food joint. Is it possible that the fat is quickly going to my large intestine and rushing my next poop?

submitted by /u/-Wertoiuy-
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