Plain English writing about what this test measures, where the thresholds come from, and what a result does and does not settle. Every figure is referenced at the foot of each article.
The old advice was no. The evidence turned out to say the opposite.
Some need a test. A few need examining instead. How to tell which is which.
The number is the same for everyone, and that is deliberate.
The evidence says haemorrhoids are an infrequent cause of a raised result.
The screening kit and the kit your GP uses are the same test, read against very different numbers.
A normal result does not close the question if symptoms carry on.
Around 1 in 10 people with bowel cancer have a result below the threshold.
Polyps, inflammation, and where the test is weaker.
Detection rates range from 0.1% to 20.7% depending where your figure falls.
It performs well here, but it cannot complete the picture alone.
Collecting twice and repeating later are different things.
One protein, and the two consequences that shape everything about the test.