Charles Horace Mayo quotes:

Worry affects the circulation, the heart, the glands, the whole nervous system. I have never known a man who died from over work, but many who died from doubt.

Taking a biopsy often aggravates and stimulates growth - and does not indicate how many secondary tumors have developed.

In my practice as surgeon, I am impressed by the alarming increase of cancer cases brought to my notice; an increase, which in the light of the general hygienic and sanitary improvements of our time, can point to no other cause than the indulgence in certain foodstuffs detrimental to normal life of the body.