“I’ve turned half-bald. Lost all hair on the back of my head. At a US hospital in Rochester I underwent a mighty biopsy under general anesthesia. … In fact, I had holes drilled in the base of the skull. If you bring your hand close enough to the irradiated area, you will feel it is warmer than others. Occasionally, when blood rushes to this place, I have strong pulsations there. Feel[s] pretty close to hearing music.”