BY THE OPTIMIST DAILY EDITORIAL TEAM A brush swab of the mouth. Four genes. Results in under an hour. Researchers from Queen Mary University of London, working with partners in India, have shown that this simple approach can match the diagnostic accuracy of a surgical biopsy, without a scalpel anywhere near the inside of your cheek. The test is called qMIDS (quantitative Malignancy Index Diagnostic System). In a trial of 545 patients with potent…