UCLA scientists found evidence that a single drop of saliva can diagnose and predict cancer, post-traumatic stress disorder, major depressive disorder and other health problems. Researchers use salivary diagnostics to detect biomarkers in saliva, such as RNA and proteins, that can identify health concerns. Read more...

Photo: Scientists at the UCLA School of Dentistry found evidence that a single drop of saliva can diagnose and predict cancer, post-traumatic stress disorder, major depressive disorder and other health problems. (Jennifer Hu/Daily Bruin)