Microcephaly discoveries made in non-Zika cases help explain abnormal brain growth

(University of Michigan Health System) Long before Zika virus made it a household word, the birth defect called microcephaly puzzled scientists and doctors -- even as it changed the lives of the babies born with it during the pre-Zika era. But new discoveries may help explain what happens in the developing brains that causes babies to be born with small brains and heads.