Humans are one of the most, if not the most toxin filled species in the planet. Human milk, while genetically may be superior, is some of the worst quality milk you can give to a baby. There's really two main reasons why it's found to have such beneficial effects, the first and most important, is because the comparison is being made between babies fed raw breastmilk versus those being fed pasteurized cow milk or pasteurized baby formula. The second, and possibly the least important, is that breastfed babies experience warm skin on skin contact which is natural for them during feeding, whereas others may not.
It would be interesting to see a study comparing babies that are bottle fed organic, grass fed, pasteurized cow milk, versus babies who are bottle fed the pasteurized breastmilk of their mothers.
