Net, eto ya "K segodnyashnemu obsuzhdeniu"!

Grazhdanochki, ya pupeu prosto, tak chto izvinite za translit: ya iz doma pishu.
V SEGODNYASHNEM JAMA (Journal of American Medical Association), stat"ya "The Association Between Duration of Breastfeeding and Adult Intelligence" (JAMA, May 8th, 2002 - Vol 287, No18, pp2365-2371).
Tsitiryu vyborochno rezul"taty;

"
... The current study demonstrates a robust association between the duration of breastfeeding and adult intelligence in 2 nonoverlapping samples assessed with 2 different measures of intelligence (...) The unadjusted test scores were lower for individuals who were breastfed for more than 9 months compared to those breastfed for 7 to 9 months (...)The overall pattern of results suggests that no additional [positive effects are associated with breastfeeding after 9 months (...)"

Naschet breast milk vs formula:
"(...) breast milk may contain nutrients that stimulate brain development (...)
the hypothesis that breast milk contains nutrients that stimulate brain development was supported by a study comparing developmental scores at the age of 18 months of infants fed solely standard formula and infants fed donor breast milk (...)

Koroche, komu interesno - shodite v biblioteku, pochitaite :))