[nradov]

Modern healthcare is somewhat effective at detecting and treating cancer but does very little for prevention. The only really effective preventative intervention seems to be removing polyps during a colonoscopy before they have a chance to turn cancerous.

[bamboozled]

Vaccines to prevent cervical cancer?

[nradov]

Yes, good point. That one seems to be having a significant effect in the last few years.

https://www.gardasil9.com/

[lazyasciiart]

Also hepatitis B vaccinations and screening for early enough detection to treat surgically.