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(Science Daily)   Remember how antioxidants were supposed to prevent cancer? Yeah, about that   ( sciencedaily.com) divider line
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4117 clicks; posted to Geek » on 12 Jul 2014 at 3:28 PM (3 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



22 Comments     (+0 »)
 
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2014-07-12 02:18:30 PM  
 Interestingly, radiation therapy kills cancer cells by dramatically raising levels of oxidants.

That would be interestingly if it were true. My understanding of radiation therapy is that the largest cross-section (probability) for absorption of damaging radiation occurs when the cell is in the process of mitosis, having double the normal number of chromosones to be hit by the radiation.  Because cancerous cells reproduce much more rapidly than normal cells, they are more likely to be in the mitosis stage when exposed to radiation. Healthy cells are killed in this process too, because it's just a statistical likelihood that any cell in the act of splitting is more likely to be cancerous.
 
2014-07-12 03:36:48 PM  
Oh for fark's sake. Make up your goddamned minds!
 
2014-07-12 04:05:13 PM  
So what they're saying here is that vegetables are bad for you and grilled meats are good for you?

At least that's all the average american will hear.

/*repeatedfacedesk*
 
2014-07-12 04:18:41 PM  
Like all fads, food fads should be ignored.  Every farking week there is a new one, then the next week another says the exact opposite.  It's not like this is the first time, or even the thousandth time.  I don't understand why anyone pays any attention.
 
2014-07-12 04:27:19 PM  
Remember how in the 70s science said we would all freeze to death by the turn of the millennium  (I do), and people bought it.  And how now they're saying we're gonna burn to death before the end of the next century, and people are buying it.  Yeah.  Same thing.

The way they waffle back and forth on eggs, milk, and such,  I figure it's only a matter of time until some scientific study proclaims that getting high, drunk, and smoking cigarettes are all good for you.  Until the next study, when they'll all be bad for you again.

Why?  'cause they don't even know what they're talkin' about, and I can't imagine what empty heads can achieve.  That's why.
 
2014-07-12 04:29:57 PM  

AllYourFarkAreBelongToMe: Remember how in the 70s science said we would all freeze to death by the turn of the millennium  (I do), and people bought it.  And how now they're saying we're gonna burn to death before the end of the next century, and people are buying it.  Yeah.  Same thing.

The way they waffle back and forth on eggs, milk, and such,  I figure it's only a matter of time until some scientific study proclaims that getting high, drunk, and smoking cigarettes are all good for you.  Until the next study, when they'll all be bad for you again.

Why?  'cause they don't even know what they're talkin' about, and I can't imagine what empty heads can achieve.  That's why.


participationaward.jpg
youtried.jpg

"Look at me!  I'm trolling on the internet!  I'm so witty, and smart, and unique, and edgy!"

No, you're just yet another bland carbon copy of a worn out carbon copy of something someone else did a long time ago that might have been funny once.
 
2014-07-12 05:01:27 PM  
Eat right, exercise, live healthy.

You might just live long enough to die of cancer.
 
2014-07-12 07:15:31 PM  
TL;DR: Everyone dies.  Act accordingly.
 
2014-07-12 07:41:04 PM  

AllYourFarkAreBelongToMe: Remember how in the 70s science said we would all freeze to death by the turn of the millennium  (I do), and people bought it.  And how now they're saying we're gonna burn to death before the end of the next century, and people are buying it.  Yeah.  Same thing.

The way they waffle back and forth on eggs, milk, and such,  I figure it's only a matter of time until some scientific study proclaims that getting high, drunk, and smoking cigarettes are all good for you.  Until the next study, when they'll all be bad for you again.

Why?  'cause they don't even know what they're talkin' about, and I can't imagine what empty heads can achieve.  That's why.


That wasn't science saying that we would freeze to death by the end of the century, it was an Op-ed piece in Time magazine and newsweek both of which were not scientifically valid or took things out of context to paint an alarmist picture.

http://www.skepticalscience.com/What-1970s-science-said-about-global -c ooling.html

For the record though I agree with you that the best plan of action for eating healthily is to listen to your body, don't overeat, and exercise.  The rest is mostly noise.
 
2014-07-12 08:33:19 PM  

AllYourFarkAreBelongToMe: The way they waffle back and forth on eggs, milk, and such, I figure it's only a matter of time until some scientific study proclaims that getting high, drunk, and smoking cigarettes are all good for you. Until the next study, when they'll all be bad for you again.


Sleeper - 1973
 
2014-07-12 08:41:06 PM  

UNAUTHORIZED FINGER: Oh for fark's sake. Make up your goddamned minds!


That's why I trust God. He never changes his mind, and look how successful he's been!
 
2014-07-12 08:42:16 PM  

AllYourFarkAreBelongToMe: emember how in the 70s science said we would all freeze to death by the turn of the millennium  (I do),


...no, no I don't. Stop lying.
 
2014-07-12 08:50:20 PM  

Emposter: Like all fads, food fads should be ignored.  Every farking week there is a new one, then the next week another says the exact opposite.  It's not like this is the first time, or even the thousandth time.  I don't understand why anyone pays any attention.


My favorite being the drive to get people to move to over trans-fats (margarine) instead of butter. I still know people who think margarine is better for your heart than butter.
 
2014-07-12 09:10:46 PM  
Only idiots believe sh*t like that.
 
2014-07-12 09:24:46 PM  

SacriliciousBeerSwiller: Only idiots believe sh*t like that.


paulingblog.files.wordpress.comView Full Size


Oh Really?
 
2014-07-12 09:32:49 PM  

Mantour: SacriliciousBeerSwiller: Only idiots believe sh*t like that.

[paulingblog.files.wordpress.com image 850x569]

Oh Really?


Nobel prize, Scnobel prize...
 
2014-07-12 10:23:53 PM  

BullBearMS: Mantour: SacriliciousBeerSwiller: Only idiots believe sh*t like that.

[paulingblog.files.wordpress.com image 850x569]

Oh Really?

Nobel prize, Scnobel prize...


If the Nobel prize was so great, then why didn't Alfred Nobel win one?  Huh?  Ha.  Bullseye, checkmate, King me!
 
2014-07-12 10:46:27 PM  

syrynxx: Interestingly, radiation therapy kills cancer cells by dramatically raising levels of oxidants.

That would be interestingly if it were true. My understanding of radiation therapy is that the largest cross-section (probability) for absorption of damaging radiation occurs when the cell is in the process of mitosis, having double the normal number of chromosones to be hit by the radiation.  Because cancerous cells reproduce much more rapidly than normal cells, they are more likely to be in the mitosis stage when exposed to radiation. Healthy cells are killed in this process too, because it's just a statistical likelihood that any cell in the act of splitting is more likely to be cancerous.


Depends what you're doing.  Typical chemo works about like you're describing, but more modern methods usually used a physically targeted method of radiation, actual shaping of intersecting beams to carve specific physical spaces, or injecting a dye into the problem area that interacts with radiation that your flesh typically doesn't.

So more advanced radiotherapy is actually  cruder than the old methods in metabolic/chemical terms, all the advanced shiat is in the dye design, shaping the beams, targeting, etc.  The actual "shoot radiation, kill cancer" part runs on the same principle as your microwave oven.  It hits something at a certain intensity, which creates a certain amount of heat, which causes blood vessels to fuse and targeted tissue to die.

// Well, a  microwave uses radiation tuned to the stretch and rotational resonances of  water, so obviously that spectrum would not be a great thing to point at somebody.  But same deal, resonance for different substances.

Mantour: SacriliciousBeerSwiller: Only idiots believe sh*t like that.

[paulingblog.files.wordpress.com image 850x569]

Oh Really?


Yeah, because it's not like Pauling falling hard for the Vitamin C scam is such a famous case of a scientist being adamantly wrong about something obvious that it's one of the major inspirations for the "mad scientist" trope in literature, or anything.

And it's not like "Vitamin C cures your cancer, I take three grams a day" died of the most ironic think possible when he finally went out, or anything.

Totally convincing for sure, man.

// Apparently the conspiracy theorists got to the Wiki article at some point, because there's a whole lot of "controversials" and "there was much debate" in the section about things which are  completely dead wrong in every way and everyone with a science education above grammar school knows it.  Good to be reminded that Wikipedia is sometimes a bad source because of poor attribution, and sometimes bad because it's  actively lying to the reader.

// Seriously, defending the vitamin C stuff is the chemistry equivalent of editing the Apollo 11 article to imply that the 'made on a soundstage in the desert' explanation is legit.  Whoever the vandal is should burn in hell forever on the off chance hell is actually a thing.  He can have the spot next to Hitler and Jenny McCarthy.
 
2014-07-13 01:24:37 AM  

IlGreven: AllYourFarkAreBelongToMe: emember how in the 70s science said we would all freeze to death by the turn of the millennium  (I do),

...no, no I don't. Stop lying.


You're not listening to enough AM Talk Radio.   Coincidentally enough, everyone who listens to AM Talk Radio distinctly remembers this, even people who weren't alive in the 70s.
 
2014-07-13 08:04:11 AM  

Jim_Callahan: ...radiation...would be...damaging...in the...problem area that...is actually...your microwave oven.  It hits something at a certain intensity, which creates ... sh*t like that.


Pauling's therapy was injected, not taken orally.
 
2014-07-13 12:43:09 PM  
antioxidant supplements

Not this shiat again, this is not news. "Antioxidant supplement" does not equal "antioxidants." IIRC fat-soluble antioxidants and vitamins especially have a habit of increasing cancer when taken by themselves instead of embedded in fats like normal.

Your body can't deal with stuff that doesn't occur much in nature. News at 11.
 
2014-07-13 12:44:04 PM  

Fark like a Barsoomian: when taken by themselves


Meaning "when taken in a pill."
 
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