What is the disadvantage of brain surgery?

There are several disadvantages or risks associated with brain surgery, including:

1. Bleeding: Brain surgery involves cutting through blood vessels, which can lead to bleeding. This can put pressure on the brain and cause further damage.

2. Infection: Brain surgery creates an open wound in the skull, which can increase the risk of infection. This can lead to serious complications, including meningitis and encephalitis.

3. Swelling: Brain surgery can cause swelling in the brain, which can put pressure on brain tissue and lead to further damage.

4. Seizures: Brain surgery can increase the risk of seizures, especially in patients who already have a history of epilepsy.

5. Stroke: Brain surgery can damage blood vessels in the brain, which can lead to a stroke. This can cause a range of symptoms, including paralysis, difficulty speaking, and memory loss.

6. Death: Brain surgery is a complex and risky procedure, and there is always a risk of death associated with it. The mortality rate for brain surgery varies depending on the type of surgery and the patient's overall health.

It's important to discuss the specific risks and benefits of brain surgery with a doctor before undergoing the procedure.