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Short-Term Air Pollution Exposure May Damage DNA

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posted on May, 17 2009 @ 05:28 PM
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Short-Term Air Pollution Exposure May Damage DNA


health.msn.com

Breathing polluted air for even a short period of time can cause some genes to undergo reprogramming, which may affect a person's risk of developing cancer and other diseases, say Italian researchers.

Comparisons of blood DNA samples from healthy workers who were exposed to high levels of airborne particulates at a foundry near Milan revealed that after only three days of exposure, changes occurred in four genes that have been linked to tumor suppression, according to research presented Sunday
(visit the link for the full news article)


Related News Links:
www.sciencedaily.com
www.ajc.com

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posted on May, 17 2009 @ 05:28 PM
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Survival of the fittest? Or survival of the rich and least exposed?

Long ago, LaMarck tried to show that workers' exposures to industrial pollution and contaminants had long term health effects, and even impacted progeny. His work was viewed with contempt, and dismissed until recently.

In fact, many things in our modern world wreak havoc on our health and genes. We continue to ignore the evidence at our own peril.

And hopefully, findings like this will give the eugenecists pause. Not likely, but hopefully.


health.msn.com
(visit the link for the full news article)



posted on May, 17 2009 @ 05:32 PM
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Well that's just another thing to worry 'bout.

Then again the Gene Pool is already plenty blurry with the things we've been eating for the last 100 or so years, perhaps it really doesn't make the much of difference.

Especially considering all the radio waves and what not that we are exposed to on a daily basis. Althoug the study is very alarming, it depends on what kind of pollution and at what levels they were being exposed.

In a city environment, say Toronto, there are constant smog alerts in the inner city an ajoining suburbs such as Missisauga and Scarborough, but as you move a little out of the city the air does become much cleaner.

Interesting article none the less.

~Keeper



posted on May, 17 2009 @ 05:35 PM
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Thank goodness I live 30 miles outside Houston.

On a good day I can look over to Houston and see the smog.



posted on May, 17 2009 @ 06:18 PM
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This is interesting news. Reprogramming of DNA by pollution chemicals. This could actually mean that the human species can actually evolve to be better suited to absorb these chemicals with no undesired effects. Could the ones that are effected by the chemicals be the ones that did not make it? It would make some scientists wonder if these pollution chemicals are a cause of mutations, diseases and miscarriages. If so, there may be evidence out there that children born free of the ill effects could have a slight genetic mutation in which these chemicals to not effect their body in a negative way.

We might just be evolving without even realizing it.



posted on May, 17 2009 @ 06:28 PM
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reply to post by wiredamerican
 


Well your correct in saying that were constantly reinventing ourselves every generation, but that's just a matter of nature.

There will always be different variations in genetic code which alter behaviour and looks etc. Now will we eventually come to a point where we are immune to such toxic chemicals?

Perhaps, however, this change would be done over thousands of years, perhaps millions before a really significant change is identified. Most of the small things we see today such as defects cause by drugs or radiation or expose to other chemicals usually break down the genome and force it to change, usually resulting in un-wanted defects.

~Keeper



posted on May, 17 2009 @ 06:31 PM
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Originally posted by wiredamerican
This is interesting news. Reprogramming of DNA by pollution chemicals. This could actually mean that the human species can actually evolve to be better suited to absorb these chemicals with no undesired effects.


Great minds think alike.


Check this out:

Creating Disease: Pollution, Mutation, Adaptation and Evolution LINK




If so, there may be evidence out there that children born free of the ill effects could have a slight genetic mutation in which these chemicals to not effect their body in a negative way.


Maybe. But it seems the environmental changes are coming far more quickly than we can adapt to them. [Our gestation times are too long.]




We might just be evolving without even realizing it.




I'm thinking we are.



posted on May, 17 2009 @ 07:11 PM
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Yep... originally Oxygen was poison... but we adapted.



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