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  #16   ^
Old Fri, Jul-16-04, 23:35
IdahoSpud's Avatar
IdahoSpud IdahoSpud is offline
Senior Member
Posts: 1,356
 
Plan: Intermittent fast/Lowcarb
Stats: 251/199/180 Male 5 ft 10 inch
BF:
Progress: 73%
Location: Idaho
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Here's a recent article re: Mexican Pima vs US Pima.

http://www.azcentral.com/news/speci...02maycoba.shtml

It's not well informed, because the author and scientists are too worried about % fat intake, rather than overabundance of simple carbs.

I had to smile though when the article mentioned that the Mexican Pima are now in danger because now it's easy to go into town to get a soda pop. Soda pop doesn't have any *fat*, right?
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  #17   ^
Old Sat, Jul-17-04, 08:29
Zuleikaa Zuleikaa is offline
Finding the Pieces
Posts: 17,049
 
Plan: Mishmash
Stats: 365/308.0/185 Female 66
BF:
Progress: 32%
Location: Maryland, US
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I believe it's both genetic and environmental. The genetics aren't meant to handle a modern high carb diet (environment) and so illnesses result.

http://care.diabetesjournals.org/cg...t/full/25/3/487

http://www.spmesquite.com/articles/diabetes.html

http://www.fiu.edu/~wiedmand/medant...santhropubs.htm

http://circ.ahajournals.org/cgi/con...ull/104/23/2855
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  #18   ^
Old Sat, Jul-17-04, 08:37
Lisa N's Avatar
Lisa N Lisa N is offline
Posts: 12,028
 
Plan: Bernstein Diabetes Soluti
Stats: 260/-/145 Female 5' 3"
BF:
Progress: 63%
Location: Michigan
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I'm with Zuleikaa on this one. It's not an either/or thing. If you are eating in a way that your body is not genetically able to handle, sickness and disease will be the likely results.
If you happen to have a "thrifty" gene, your body will be genetically predisposed to be very efficient at using the excess coming in to make and store fat. Add the effects of hyperinsulinemia to that (from excess carb intake in a body that is not genetically capable of handling it) and it's a classic recipe for obesity and disease.
Why would increased excercise help? Excercise or strenous physical activity (such as farming) are known to decrease insulin resistance as well as burn up the carbs coming in for energy before they can be stored as fat. That's why Dr. Atkins points out that if you want to incorporate more carbs into your menus, you have to move your body more at the same time.
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  #19   ^
Old Mon, Jul-19-04, 06:30
Jeffrey_ Jeffrey_ is offline
Registered Member
Posts: 74
 
Plan: my own
Stats: 205/178/150 Male 5' 9"
BF:
Progress: 49%
Location: Albany, NY
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I don't see the contradiction. Being human gives us the genetic potential to get fat. Some people can get fatter on less food than others.

But genetics is not the "cause" of getting fat. That can be seen when you separate a group of genetically similar individuals and feed them different diets. One sub-group gets fat, the other sub-group stays thin.

Because the genetics is the same in both groups (ie, the genetics is a constant), but the outcomes are different, the genetics cannot be the cause.

Genetics can cause differential results when two different genetic populations eat the same food, but one population gets fat and the other population stays thin. In this case, the food is being held constant and the genetics is the variable.

In sum, diet and lack of excercise "causes" people to get fat. But if two gentically different people have the same diet and amount of excercise, with one getting fat and the other staying thin, then genetics explains that difference.

While we can't change our genetics, we can change our diet. Unfortunately, too many people would rather just change their genetics.
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