How To Treat Syncope With Motor Skill Loss And Headaches?

For aboout the past ten years I have been experiencing sudden episodes of syncope followed by headaches with no warning also these episodes have become more frequent. There is also dizziness and fatigue alot of weight loss in the last six months and the doctors think the cause may be from shrinkage of the brain at a much greater speed than normal.there are also other symptoms such as loss of motor skills at times slurred speech numbness of left arm and leg cramps.