Here are some polished title options:
Option 1 (clear and informative):
Brain Aneurysm Warning Signs: When a Headache May Need Urgent Attention
Option 2 (YouTube-style):
Is Your Headache Trying to Tell You Something? Brain Aneurysm Signs to Know
Option 3 (health article style):
Brain Aneurysm Symptoms: Headache Warning Signs You Shouldn’t Ignore
Option 4 (attention-grabbing):
Not Every Headache Is the Same: Signs That May Require Medical Attention
Option 5 (educational and balanced):
Brain Aneurysm: Key Symptoms, Risk Factors, and When to Seek Help
Option 6 (short and impactful):
A Headache Warning You Should Know About: Brain Aneurysm Signs
For accuracy: most headaches are not caused by brain aneurysms. A sudden, severe “worst headache of your life,” especially with symptoms like confusion, weakness, vision changes, or loss of consciousness, requires urgent medical evaluation.
