People push your buttons because they know they can, regardless of whether theyâre aware of it. What theyâre looking for is a negative reaction; they want you damaged and on the defensive, for whatever reason.
Back to Top Causes. Horner syndrome can be caused by any interruption in a set of nerve fibers that start in the part of the brain called the hypothalamus and travel to the face and eyes. Sympathetic nerve fiber injuries can result from: 1  Injury to one of the main arteries to the brain (carotid artery).
Horner syndrome is a group of symptoms that may be a sign of lung cancer that is growing into the nerves found at the top of the lung. It is almost always caused by a nonâsmall cell lung cancer. Symptoms include: severe shoulder pain; drooping or weakness of the eyelid or a smaller pupil in the eye