Researchers at Tel Aviv University have developed tests to highlight the different rates people recover from stress. The study can help individuals to train themselves to relax. It also may lead to a blood test that can diagnose undue stress and help with the recovery process.
http://www.timesofisrael.com/is-your-life-too-stressful-there-may-soon-be-a-blood-test-to-find-out/