Hack your commute: Cut down your cortisol

Or, in other words, relax. “Easier said than done,” you might argue, but there’s a serious reason commuters need to keep their stress levels manageable. Over time, the frustrations of getting into work each day can cause long-term health problems such as hypertension (high blood pressure), which increases the chance of a stroke or heart attack.
Stress also affects concentration, and the longer the commute, the worse the effect, according to a 2006 study in the Health Psychology