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- . , , .
1970 C (Vitamin C and the Common Cold), 3 C ( 50 ). , .
, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , .
1970- , , .
6 1992 Time : : , , , .
(Anastasia Toufexis), .
, , . , , . , .
, Hoffmann La Roch -, , , , 350 , , 6- .
1994 (National Cancer Institute) (National Public Health Institute) 29 , 50 . , . E, - , .
: , , , , , .
1996 (Fred Hutchinson Cancer Research Center) 18 , . A, - , .
, , , , 28% 17%, , , , .
2004 14 170 , A,C, E, -, , , . , .
, - ; , , , , , . , , 6% , .
2005 (Johns Hopkins School of Medicine) 19 136 E.
(Benjamin Caballero), (Johns Hopkins Bloomberg School of Public Health) : , . , E, .
, , , .
, , 9 , E ; , , E, , , .
2007 (National Cancer Institute) 11 , .
, .
2008 230 , , , .
10 2011 39 , , , , , , , .
, .
, 12 , 36 , E, , .
, , E, 17% .
(Steven Nissen), , : , .
25 Wall Street Journal : ? .
2010 28 , 4,4% , 2009 .
, , (Joseph Fortunato), General Nutrition Centers. .
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1980 : C - ?
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. 1994 .
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18 -
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20 - - ,