On: Are colonoscopies worth it?

[bojan]

In the Netherlands they begin with preventive colonoscopies when you turn 55. Then you get one every 5 years.

The newest science says they should even begin at 45.

[landemva → bojan]

> The newest science says

I was speaking with my Dr. about these exploratory procedures and asked if early diagnosis extends life. He responded with general recommendations. Every procedure has a risk.

I have no symptoms, so what science studies with control groups show extending life?