What is the average age for a brain aneurysm?

When Do Brain Aneurysms Typically Occur?

While brain aneurysms can happen at any age, they most commonly appear in adults between the ages of 35 and 60. This doesn’t mean younger individuals are immune—though rare, cases in children do occur, often linked to congenital conditions or trauma.

Age is just one factor among many when it comes to aneurysm risk. Lifestyle, genetics, and underlying health conditions like hypertension or vascular diseases play significant roles. Many people live with unruptured aneurysms without ever knowing, as they often cause no symptoms unless they grow or rupture.

That said, the peak incidence in midlife suggests that this window is critical for awareness and prevention. Regular check-ups, managing blood pressure, avoiding smoking, and maintaining a healthy lifestyle can all help reduce risk. For those with a family history of aneurysms, speaking with a doctor about screening options may be a wise step.

It's also important to recognize the warning signs—sudden, severe headaches often described as "the worst of my life," vision changes, nausea, or neurological symptoms can signal a rupture, which is a medical emergency. Quick action can save lives.

Though the thought of a brain aneurysm can be alarming, understanding the facts helps demystify it. They’re not solely a condition of aging, nor are they limited to older adults. Being informed—knowing the average age range, recognizing risks, and listening to your body—can make a real difference in outcomes.