How?
The colon cancer takes 20 years or so generally.
I know lots of 20 year old who don't have colon cancer. And they've been drinking that (literal) poison for 20 years.
Keep your blinders on toad; the population is getting sicker every day, and primarily due to consuming non-food.
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All I can tell you is the Turks eat some sort of live culture yogurt every day. They are regular as can be and don’t seem to have digestive problems like so many Americans. The gut has a good amount of bacteria. Sometimes diet disrupts the natural ‘flora’ and problems occur.
Don’t know anything about raw milk, other than I once had some at a friends place. Best milk I ever drank. Still warm from the cow. Yum!