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Stem Cells & Healing?

Mojo said:
From your own link:
Indeed, this trend toward declining regenerative capacity over the course of an organism’s development is mirrored in the evolution of higher animal forms, leaving the lowly salamander as the only vertebrate still able to regrow complex body parts throughout its lifetime.
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Well maybe if the other vertebrates had stopped using evil allopathic medicine a few hundred million years ago they wouldn't have lost exposure to natural mother earth.
 
Mojo said:
Because none of us is a salamander, as far as I'm aware. You may know different.

From your own link:


I'm not trying to cause a big s-s-s-sensation.
Just talkin' 'bout re-g-g-g-generation.
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I don't know but your prefered people/system is trying to link. Probably tommorow they may try to link regenaration with plants which have more regenarative capabilty.
 
Taffer said:
Because we would like to be able to, obviously. I think you know the answer to these questions, you're just asking in case one of us makes a slip and you can point the finger "aha! see?".
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Good thing nobody has pointed him to the research on stem cells and high potency dilutions.
 
Kumar said:
Getting wing is not a regeneration but an evolution.
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Essentially correct.

We don't grow wings because we are not birds, bats, or bugs. We don't regenerate (limbs, anyway) because we are not starfish or salamanders. Being "in touch with nature" has nothing to do with it. We don't have the ability. No mammal has the ability. No mammal has ever had the ability.

Kumar said:
Then why your prefered people are spending millions of common people on regenarative medicines?
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We're not spending people, common or otherwise.

That aside, we spend money on regenerative medicine for the same reason we spend money on airline tickets.

Kumar said:
I don't know but your prefered people/system is trying to link. Probably tommorow they may try to link regenaration with plants which have more regenarative capabilty.
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People are not shrubberies.
 
PixyMisa said:
Essentially correct.

We don't grow wings because we are not birds, bats, or bugs. We don't regenerate (limbs, anyway) because we are not starfish or salamanders. Being "in touch with nature" has nothing to do with it. We don't have the ability. No mammal has the ability. No mammal has ever had the ability.


We're not spending people, common or otherwise.

That aside, we spend money on regenerative medicine for the same reason we spend money on airline tickets.


People are not shrubberies.
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I think we are just compensating due to progressive losing regenarative capacity either naturally(?) or due to inferfering in nature. However as said, Regenerative capacity is inversely related to complexity I can just feel that if we are progressively losing or compromising our regenarative capacity due to increased complexity by us. Truth is said to be simple. It is also said that master of all is master of none. If we shall take our physical work from others/servancts obiously we can suffer due to inactivity related odds. Look;

Mammals, and especially humans, have paid a high price for climbing up the evolutionary ladder: they have lost much of the regenerative power found in lower animals. Whereas humans have only limited potential to rejuvenate their ailing tissues, other organisms show amazing regenerative abilities (Davenport, 2004).
http://www.nature.com/embor/journal/v6/n1s/full/7400436.html
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Under my feelings we should check that due to our opting complexity(modren lifestyle, environment etc.) if we are progressively losing or compromising our natural regenarative capabilities?
 
If deficiencies, low quantity exposure, fasting etc. can enhance stem cells activities--in general or in specific to stimuli?

Many religious practices do suggest fastings, wood burnings smoke from incence sticks & materials(hypoxic/acidic/inflammation causing types), can these be meant to increase stem cell activities?
 
Kumar said:
I think we are just compensating due to progressive losing regenarative capacity either naturally(?) or due to inferfering in nature.
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Lost hundreds of millions of years ago in our evolutionary history. It has absolutely nothing to do wih "interfering in nature". That's pure idiocy. No mammals regenerate lost limbs.

However as said, Regenerative capacity is inversely related to complexity I can just feel that if we are progressively losing or compromising our regenarative capacity due to increased complexity by us.
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This is referring to physiological complexity. If you would rather be a flatworm and have the ability to regenerate, fine.

We haven't lost the ability to regenerate. No human ever had that ability. As far as we can tell, it was lost before mammals branched off from reptiles 200 million years ago. Mammals and birds don't regenerate.

Truth is said to be simple.
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Lots of things are said. Doesn't make them true.

It is also said that master of all is master of none.
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It is also said that a Smith & Wesson beats four aces.

If we shall take our physical work from others/servancts obiously we can suffer due to inactivity related odds. Look
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No, Kumar, you look. They're comparing humans to flatworms. Flatworms have no heart or lungs or even stomach; they barely have anything that could be called a brain. They're only a few millimetres long. Yes, you can chop them to pieces and each of the pieces will regenerate into a new flatworm. That's because they are trivially simple when compared with humans - or indeed, with any vertebrate.

Under my feelings we should check that due to our opting complexity(modren lifestyle, environment etc.) if we are progressively losing or compromising our natural regenarative capabilities?
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No.

No.

No.

No.

No.

No human ever had "natural regenarative [sic] capabilities". No modern mammal regenerates, and as far as we can tell, no mammal has ever regenerated.

Your feelings are irrelevant, because they are completely contradicted by fact.
 
PixyMisa said:
Lost hundreds of millions of years ago in our evolutionary history. It has absolutely nothing to do wih "interfering in nature". That's pure idiocy. No mammals regenerate lost limbs.


This is referring to physiological complexity. If you would rather be a flatworm and have the ability to regenerate, fine.

We haven't lost the ability to regenerate. No human ever had that ability. As far as we can tell, it was lost before mammals branched off from reptiles 200 million years ago. Mammals and birds don't regenerate.


Lots of things are said. Doesn't make them true.


It is also said that a Smith & Wesson beats four aces.


No, Kumar, you look. They're comparing humans to flatworms. Flatworms have no heart or lungs or even stomach; they barely have anything that could be called a brain. They're only a few millimetres long. Yes, you can chop them to pieces and each of the pieces will regenerate into a new flatworm. That's because they are trivially simple when compared with humans - or indeed, with any vertebrate.


No.

No.

No.

No.

No.

No human ever had "natural regenarative [sic] capabilities". No modern mammal regenerates, and as far as we can tell, no mammal has ever regenerated.

Your feelings are irrelevant, because they are completely contradicted by fact.
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Thanks for telling. Logically, if we will do immune/healing system work, say eg. by antibitics, why these system will need to work?
 
Kumar said:
Thanks for telling. Logically, if we will do immune/healing system work, say eg. by antibitics, why these system will need to work?
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The immune system is active all the time, not just when you haul yourself to the doctor to get some pills. Immuno-compromised people get diseases that simply don't happen to healthy humans.

If you are asking, if we eliminate disease through modern medicine, will our immune systems stop working, then the answer is no. Over many millions of years, if there continue to be no new sources of disease, it is likely that immune response will gradually diminish in the population because it no longer provides any evolutionary advantage.

But right now, if you don't have an immune system, you die. Things as simple and normally harmless as yeasts and molds can kill you.
 
Kumar said:
Thanks for telling. Logically, if we will do immune/healing system work, say eg. by antibitics, why these system will need to work?
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For two simple reasons.

  • Our immune system is constantly working.

The process of decay is what happens when our immune system shuts down. People in comas - essentially vegetables - don't decay because their immune system is still functioning. Also, our immune systems fight off infection daily. When we cut ourselves, the immune system kicks into gear to make sure that the cut doesn't get infected. When you get an insect bite with inflammation and swelling, that's your immune system at work fighting off infection. Our bodies are constantly bombarded with viruses and bacteria from all angles.

&

  • Antibiotics are not infallible.

Disease can become drug resistant through the process of evolution. The reason why your doctor tells you to finish a full course of antibiotics is because if you don't, there's a chance that some resistant bacteria may survive the first assault and multiply, making you sicker. Also, antibiotics don't work against viruses.
 
PixyMisa said:
The immune system is active all the time, not just when you haul yourself to the doctor to get some pills. Immuno-compromised people get diseases that simply don't happen to healthy humans.

If you are asking, if we eliminate disease through modern medicine, will our immune systems stop working, then the answer is no. Over many millions of years, if there continue to be no new sources of disease, it is likely that immune response will gradually diminish in the population because it no longer provides any evolutionary advantage.

But right now, if you don't have an immune system, you die. Things as simple and normally harmless as yeasts and molds can kill you.
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How then our immune & stem cell system get weakened during our life? Why we need aid/alternatives to immune & stem cell system?
 
Harpyja said:
For two simple reasons.

  • Our immune system is constantly working.

The process of decay is what happens when our immune system shuts down. People in comas - essentially vegetables - don't decay because their immune system is still functioning. Also, our immune systems fight off infection daily. When we cut ourselves, the immune system kicks into gear to make sure that the cut doesn't get infected. When you get an insect bite with inflammation and swelling, that's your immune system at work fighting off infection. Our bodies are constantly bombarded with viruses and bacteria from all angles.

&

  • Antibiotics are not infallible.

Disease can become drug resistant through the process of evolution. The reason why your doctor tells you to finish a full course of antibiotics is because if you don't, there's a chance that some resistant bacteria may survive the first assault and multiply, making you sicker. Also, antibiotics don't work against viruses.
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Will our immune system need not to work lesser if antibiotics or anti inflammatories are given?
 
Kumar said:
Why then we need regenarative medicines including stem cell therapy?
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Exactly because we have not evolved regeneration (or some of our ancestors evolved away from it). If we had regeneration, we would NOT need regenerative medicines.

Just like we would not need aircraft if we had wings.

I would have thought even you could figure that out for yourself.

Hans
 
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