' שׂ (obesity) . , . , , .
(sedentary) ", , -50, , , 1953 " ", . 50 , (CDC) " 2000, -30% , 30% , 40% " .
" 9 18, 2002 -New England Journal of Medicine, "וּ" . " , " " "" .
, ", , (outdoor) , . -CDC , , -42% 1969 16% 2001. , 30 , , :
2003 Pediatrics, . (snacks) " " .
, - - , . Frank 2004 -American Journal of Preventive Medicine " " Obesogenic environment"", - , "Junk food, (food outlets) . , 2000 2002 10,878 , '', : (BMI), , , , .
, -, (quartiles) , , 12.2% , . , 36.6% - . 4.8% . , , 6% . BMI (urban) (rural), .
: שׂ . , -20, " " " .
Popkin -20 , , ((WHO 1997 שׂ . , , , (BMI 30.0) 6.4% 1989 14.5% 1997. -11.5% 16.2%.
Popkin 1997, "וּ" (westernization) -10 , , ......... McDonnald , , . , - , . , , : " -0.3 0.5%, -0.8 1.6%.
שׂ (obesity) , , -20 . , , 1989 שׂ , 1999 - . -, , " " Benjamin Caballero, , ' , 2005 -New England Journal of Medicine.
- , וּ , . , -60% - ( ) ( ) : , -2% , 1,100 , .
, 3,000 , (, ) - , : , -7% - , -12% , -11% , -9%, -8% , " 25,250 , -7% , - .
Popkin 2005 -American Journal of Clinical Nutrition, - (overweight) ( underweight) . 1992-2000 -32 , 148,579 20 49 , BMI 25.0 ( ) BMI -18.5 ( ). , : -5.8 , 2.1. , ( ), (energy-dense food).
שׂ (וּ, ), -70 -20. 2,350 , : -65% "McDonnald" - , , . וּ , , , .
, : " " , , "' " . , , - , -60% . , , , . - .
, ' -
11/11/2007