Twenty years ago, Dr. Ryke Geerd Hamer, a German doctor with his own practice in Rome, Italy, received a call in the middle of the night. His 17-year old son had been shot while on holiday in the Mediterranean. Three months later, Dirk died and shortly after, Dr. Hamer, who had been healthy all his life, but who was utterly devastated by this catastrophe, found he had testicular cancer. Rather suspicious about this coincidence, he set about doing research on the personal histories of cancer patients to see whether they had suffered some shock, distress or trauma before their illness.

In time, after extensive research of thousands of patients, Dr. Hamer was finally able to conclude that disease is only brought about by a shock for which we are totally unprepared. This last point is very important. If we can in any way be prepared for the shocking event, we will not become ill. In fact, Dr. Hamer does not like to say ‘cancer’. Rather, it is a special biological response to an unusual situation, and when the ‘shock’ situation is resolved, the body sets about returning to normality. This is a very simplified account, of course. The books explain in detail the complete process.