Key feature of immune system survived in humans, other primates for 60 million years - 0 views
-
Matti Narkia on 25 Aug 09A new study has concluded that one key part of the immune system, the ability of vitamin D to regulate anti-bactericidal proteins, is so important that is has been conserved through almost 60 million years of evolution and is shared only by primates, including humans - but no other known animal species.