Because they can test the cancer cells to see how aggressive they are. My husband’s had just breached the prostate. If he had waited a year (or less) I’m sure it would have metastacized. There is no chemotherapy for prostate cancer.
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Chemo is a waste of lives and a cash cow for the pharma poison manufacturers.
Metatrol is the only realistic choice, but a life long attack on body acidity is the best prevention.