Money worries, a big presentation at work, hosting a social event—all of these things can trigger stress and anxiety symptoms such as uneasiness, heart palpitations, nausea or sleeplessness. While persistent symptoms may signal an anxiety disorder that requires medical treatment—always talk to your doctor—combatting day-to-day anxiety can be as simple as taking a time-out for meditation. In fact, a 2014 review of 47 clinical trials by John Hopkins University determined that mindfulness meditation offered relief from many anxiety and depression symptoms. No surprise, then, that high-profile CEOs and celebrities like Arianna Huffington, Oprah Winfrey and Hugh Jackman use meditation to boost their calm. Here’s how to do the same when you feel anxiety rising.