[–] Crikes 0 points 1 point (+1|-0) ago 

As I understand it, you can't permanently raise IQ. Breastfeeding at least 18 months prevents the loss of IQ that occurs when children aren't breastfed 18 months, or worse, at all.

[–] cantaloupe6 0 points 2 points (+2|-0) ago 

Right, loss prevention