Named after a the weather phenomenon, thunderclap headaches are sudden agonising pains that feel similar to being hit in the head, resulting in 'blinding pain unlike anything experienced before ...

Apart from headaches, which become more persistent with time, there are a few other noticeable symptoms of a brain tumour ...

The main symptom of a burst aneurysm is a sudden, severe headache Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...