“When a CSF leakage takes place, its due to the fact that something has actually produced a tear or hole in the connective tissue that keeps the CSF surrounding the brain and spine,” CTV News reported, describing the most likely reason for the ladys symptoms. “If too much fluid leaks out, the brain sags inside the head, putting pressure on parts of the skull and triggering headaches, a condition called spontaneous intracranial hypotension.”