Doctors at a Lincolnshire hospital are holding an event to raise local awareness of strokes.
Strokes are the third most common cause of death and the most common cause of disability in the UK.
Guest speakers at the Pilgrim Hospital in Boston on Friday include patients who underwent preventative surgery.
Consultant surgeon Jayarama Mohan said patients who had experienced a "mini-stroke" underwent surgery to stop a major stroke occurring.
He said: "A brain attack is caused by a tight narrowing of a blood vessel supplying the brain. When someone has a brain attack, treatment via surgery is one of the most effective ways to prevent further attacks or stroke.
"Now, our team wants to use its expertise to educate the people of Lincolnshire, making them aware of what to look for and what they should do if they or someone they know experiences symptoms of brain attack."
The operation involves clearing the carotid artery in the neck.
Mr Mohan added: "At Boston Pilgrim we have carried out about 80 operations over the past few years and we're really proud to say that we've not had any strokes at all and this definitely would compare favourably to anywhere in the world."