Has anyone ever been born without a brain? Learn about anencephaly, a rare birth defect where babies are born missing major parts of the brain and skull, its causes, and prevention.   Introduction   The human brain is one of the most complex organs in the body, controlling thought, movement, and vital functions. But a rare question often arises: Can someone be born without a brain? The short answer is yes, but not completely. Some babies are born with a condition called anencephaly, where major parts of the brain fail to develop.   What Is Anencephaly?   Anencephaly is a…