During my wife's career, she was a lactation consultant while our kids were infants... there is no solid proof, but my breastfed kids have no allergies, excelled in school, are very healthy and athletic, etc. It's a no-brainer if your wife can dedicate herself to it. But she also pumped, and I was able to feed them went she wasn't available. Two thumbs up for breastfeeding!
#afewthoughts