“With this test, it could be possible to turn the tide on prostate cancer. We have shown that a simple, cheap, spit test to identify men at higher risk due to their genetic makeup is an effective tool to catch the cancer early."
Additionally, the saliva test was found to be more accurate than an MRI scan alone for men with a high genetic risk. It also identified a higher proportion of aggressive forms of the cancer than PSA tests did.
https://nicenews.com/health-and-wellness/new-prostate-cancer-spit-test/