Did you know that the survival rate for most cancers drops from 90% when caught in stage one to below 20% when caught in stage four or later? An evocative fact like this, combined with the painful story of a loved one who passed away from cancer after a late diagnosis, is how an ad for early disease-detection startup Cent begins. 

This is one of many. 

Another expounds on the drawbacks of full body screenings that rely on CT scans, which privilege speed over accuracy. Not Cent, says the ad, which has built a health-intelligence stack around the more comprehensive MRI.........

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