A test that costs less than a $1 and yields results in minutes has been shown in newly published studies to be more sensitive and more exact than the current standard test for early-stage prostate cancer.  The simple test developed by University of Central Florida and Florida Hospital Cancer Institute researchers holds the promise of earlier detection of one of the deadliest cancers among men. … Continue reading Study finds $1 test using gold nanoparticles outperforms PSA screen for prostate cancer.