It is all quite simple Greg, I suffer with a condition called "Cluster Headaches", it is a condition I have had since I was 14 years old, Where I get really bad headaches. I was diangnodsed in 1998, but just recently went down to London to the Institute of Neurology where I was diangnosed as having Chronic Cluster Headaches (Right sided) and Chronic Migraine (left sided). I have been taking a drug called Verapamil which is for slowing the heart rate down but is useful for some unknown reason for CCH. The Lithium is another drug which is used for sycotics, but is useful for CCH. Explained a little