Headaches What a pain they can be Millions of people are suffering from cluster and tension headaches. This is another very informative book by Robert Rymore. He continues with his interest in writing medical educational guides. This guide is intended to be a tool, one that will give you information and hopefully some pain relief. Cluster Headaches & Tension Headaches causes, remedies, relief, symptoms, treatment, managing pain, exercises all included. Readers will surely find much contribution by this book, to relief their pain or even to create a pain free healthy lifestyle. The book is written in an easy to read and understandable style. The content is informative, educative and easy to understand.