National Geographic | Brain Death Raises Tough Questions National Geographic For 13-year-old Jahi McMath of Oakland, California, brain death was declared in the wake of complications from surgery. Her parents have fought to keep her on life support, contending that the functioning of her heart and lungs indicates she is still ... Jahi McMath brain death case: Family's attorney defends his actions The Science Behind Brain Death NEW: Two cases raise questions of how brain death is determined |