Exactly how the differences in bacteria might make vaginally born babies less prone to allergies and asthma isn't yet clear, but it does point to a difference that researchers can look at going forward.

VOA: standard.2010.06.30

But Art Cashin says Wall Street remains wary. "The concern down here is it may intimidate some of the financial institutions, and therefore make credit less available and less likely and hurt the recovery."

VOA: standard.2010.05.21