Does an obese person have more blood in their body than a person with a optimal body mass index? | AskScience Blog

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Monday, November 25, 2019

Does an obese person have more blood in their body than a person with a optimal body mass index?

Does an obese person have more blood in their body than a person with a optimal body mass index?


Does an obese person have more blood in their body than a person with a optimal body mass index?

Posted: 24 Nov 2019 08:51 AM PST

How did scientists think the sun worked before the discovery of nuclear fusion?

Posted: 25 Nov 2019 02:46 AM PST

We often hear that we modern humans have 2-3% Neanderthal DNA mixed into our genes. Are they the same genes repeating over and over, or could you assemble a complete Neanderthal genome from all living humans?

Posted: 25 Nov 2019 06:20 AM PST

Since it’s been getting cold, when I get in my car in the morning and turn my music on it seems like it’s playing 1-2 pitches lower and a tiny bit slower. The best theory I can think of is the cold. Do we perceive our senses differently in colder climates?

Posted: 25 Nov 2019 07:01 AM PST

Is sociopathy developed over time through social interaction or is there a specific biological, congenital cause that's been discovered?

Posted: 25 Nov 2019 06:50 AM PST

Put another way: is one born with the trait or could a non-sociopath develop the 'condition'.

Apologies for any incorrect use of terminology.

submitted by /u/I_Always_Talk_Shite
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Would a persons feeling towards a drug inhibit it’s ability to work, like a nocebo?

Posted: 25 Nov 2019 03:51 AM PST

Does a medicine or tablet. E.g. panadol, have a lesser effect on a person if they are sceptical about it.

even though the drug works would the effect be felt less by the body depending on the persons feelings toward either the person who administered it or the drug itself.

Also if this has been studied what would the name of the effect be or would it just be referred to as nocebo

submitted by /u/4ouR__
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How would you calculate the true distance between LA and NYC, the straight line distance not including the curvature of the Earth?

Posted: 25 Nov 2019 06:13 AM PST

I'm pretty sure this can be mathed out with numbers pulled off the internet, but was just curious as to what mathematical steps you would take to do so.

submitted by /u/Dayumnn_Daniel
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How does one induce a strong shockwave instead of a weak shockwave?

Posted: 25 Nov 2019 04:37 AM PST

For a supersonic shockwave two solutions exist for a given angle; the strong and weak shockwave. Nature prefers the weak shockwave, but the strong shockwave is not impossible.( i think)

submitted by /u/nicecreamdude
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Does crenation affect red blood cells membrane structural stability?

Posted: 25 Nov 2019 05:25 AM PST

From my understanding when a red blood cell is exposed to a hypotonic solution it bursts (so red cell lysis). I know that when exposed to a hypertonic solution they shrivel up as water leaves them via osmosis,so I was wondering if this shrivelling up has an affect on the red blood cells membrane.

submitted by /u/TheSecondBlueberry
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If a disease is eradicated by vaccination, does that mean that the pathogen is extinct by natural selection? Will I get the disease if I dont get vaccinated?

Posted: 25 Nov 2019 03:01 AM PST

What is the difference between an alloy and a composite?

Posted: 24 Nov 2019 12:45 PM PST

Do sensory neurons at the top of our head send their messages straight to the brain or do the messages go through the spinal cord?

Posted: 25 Nov 2019 12:50 AM PST

What percentage of salt in solution is needed for something to taste salty?

Posted: 25 Nov 2019 12:43 AM PST

I was not able to find anything on google that answered this for me.

Does normal saline solution (0.9% NaCl in water) taste salty?

If not, at what concentration of salt will the solution taste salty?

Thank you!

submitted by /u/holyvegetables
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Do magnets really harm computers?

Posted: 24 Nov 2019 07:33 AM PST

Why does hair change colors? Why does facial hair follow suite at a faster rate.

Posted: 23 Nov 2019 09:17 PM PST

So I was born with red hair. By 1st grade it had changed to a blond so pale it glowed in light. After that it's been darkening ever since. Starting in September I was finally able to start growing a beard. It's been growing a deep red but I noticed today that now it's almost 2inches thick......its turning blond..... it looks exactly like dyed hair and the roots growing undied...

Long story short- why did my hair change color and whys it doing it so fast on my beard?

submitted by /u/spartan8440
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To what extent is the housecat a product of human intervention?

Posted: 23 Nov 2019 02:03 PM PST

Did/do house cats as we know them live naturally in the wild?

submitted by /u/UdderTime
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How is there a river at the bottom of the Grand Canyon if it is below sea level and not flow to an ocean?

Posted: 23 Nov 2019 02:31 PM PST

I understand that most rivers flow the the sea, and that the grand canyon reaches below sea level. So where does the river flow to and could the river essentially keep eroding deeper and deeper?

submitted by /u/radiofreduk
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