There's a debate raging on twitter about Ray's recent statement to Patrick Timpone that the best alternative to breastfeeding is cow's milk. The main objections seem to be the potential for iron deficiency and the risk of intestinal bleeding. The former seems baseless, but the bleeding issue seems to be a real concern as the studies I've seen indicate that, especially in the first three months, cow's milk definitely causes increased loss of blood in the stool, although the studies are unclear about just how much of a problem this is. It's not like Ray to make a statement like this without knowing what he's talking about. I think the pertinent question is whether his recommendation holds true for infants younger than six months, and especially younger than three months. Would appreciate any info people can share.