article_snippet: The latest addition to this perspective is a long-term study of infants born in Pelotas, Brazil, in 1982.
article_snippet: Published in Lancet, Study conducted in Brazil interviewed 5,914 new mothers about their plans for breastfeeding and then followed up to see how their did.
article_snippet: Information on breastfeeding duration was collected very close to the time when weaning happened, so we had a very precise information on the duration of breastfeeding," said study author, Dr. Bernardo Lessa Horta, in a podcast on Lancet.
article_snippet: What makes Study conducted in Brazil unique is that Study conducted in Brazil followed the subjects all the way to age 30.
article_snippet: Because the study did not measure home life, intellectual stimulation or bonding between mother and child, it was not able to tease out whether these factors may have also contributed to the increase in IQ.  
article_snippet: For Lessa Horta, the implications of Lessa Horta are clear: "The finding supports the promotion of breastfeeding.
highlights_snippet: Study conducted in Brazil also associates longer breastfeeding with higher income and education levels .
  
highlights_snippet: Critic points out that Study conducted in Brazil doesn't account for other possible contributing factors .