question: Some time ago I underwent surgery for the removal of a cavernous angioma located in the right parietal lobe. The malformation was in an accessible spot so the procedure was relatively minor (as far as brain surgery goes). However, I am concerned that having undergoing surgery, as well as having previous angioma, has put me at a higher risk of developing dementia or Alzheimer s in the future. Is this a legitimate concern? And if so is there any thing I can do to reduce my risk despite past head trauma? Thank you for your feedback.