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

The Obama administration,he added, must make clear that it does not view engagement with Iran as a process without an end, but as a means to identify ends that would benefit both countries.

VOA: standard.2009.04.28