My grandfather died of multiple cancers at the age of 72. And we all knew what ate him from inside: it was his perpetual resentment that while still being in perfect health, the local laws prohibited him from continuing to work as a school headmaster and was forced to retire at 59 years of age.
Let's hope Mr Hamer's empirical approach gets crowned with overwhelming success and that debilitating treatments like chemotherapy for treating cancer are gradually phased out...