Changes

A '''birth defect''' is a structural, functional, or metabolic abnormality present at birth that results in physical or mental disability or is fatal. There are more than 4,000 known birth defects, which may be caused by [[gene|genetic]] or [[environment|environmental]] factors. About 150,000 babies are born each year with birth defects.

A '''birth defect''' is a structural, functional, or metabolic abnormality present at birth that results in physical or mental disability or is fatal. There are more than 4,000 known birth defects, which may be caused by [[gene|genetic]] or [[environment|environmental]] factors. About 150,000 babies are born each year with birth defects.  Those born with crushing mental disabilities are known as [[Republicans]].

[[Category:Genetics]]

[[Category:Genetics]]