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5 silent causes of brain aneurysm you should never ignore

Brain aneurysms often develop without warning. Here are five silent risk factors that may increase your risk of developing the medical condition.

Written By N. Lothungbeni Humtsoe
Published : June 2, 2026 2:41 PM IST

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Brain Aneursym

Brain aneurysm is a medical condition that occurs when a blood vessel in the brain bulges or balloons which usually happens with no warning. Many people may not realize they have an aneurysm until it bursts open causing a life-threatening stroke. The Cleveland Clinic lists some health and lifestyle factors that can contribute to the development of a brain aneurysm over time which causes the walls of blood vessels to become weakened. Here are five silent causes of brain aneurysm that often go unnoticed:

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Genetic Disorders

Certain inherited disorders can lead to a weakening of the connective tissue and blood vessels. Some diseases like polycystic kidney disease and Ehlers-Danlos syndrome are linked to brain aneurysms but in the early stages symptoms are not always obvious.

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Smoking

Smoking harms blood vessels in the brain and all over the body. The chemicals in cigarettes can damage the walls of the arteries and make them more prone to developing an aneurysm and rupture. According to experts smoking is one of the most modifiable risk factors associated with brain aneurysms.

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High blood pressure

Hypertension or high blood pressure is one of the most frequent risk factors for brain aneurysms. Over time a constant pressure against the walls of blood vessels may cause them to weaken and bulge or burst. Experts note that a healthy diet, exercise and taking prescribed medication can help reduce the risk of developing a high blood pressure.

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Family History

A person can also have a higher risk of developing brain aneurysm partly due to their genes. Those with a close relative such as parent or sibling who previously suffered a brain aneurysm are at increased risk for developing one. This is the reason why screening is suggested for people who have a strong family history. Disclaimer: This content is for informational purposes only and is not a medical advice. Brain aneurysm symptoms and risks may vary which is why it is important to consult a healthcare professional for diagnosis.

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Alcohol And Drug Use

Excessive drinking and stimulant drugs like cocaine and amphetamines can lead to sharp rises in blood pressure. These changes add strain on blood vessels and can help lead to the formation or rupture of aneurysms. Disclaimer: This content is for informational purposes only and is not a medical advice. Brain aneurysm symptoms and risks may vary which is why it is important to consult a healthcare professional for diagnosis.