Do your shoulders ache from scrunching them up to your ears all day in frustration? Ever get tension headaches or maybe an upset stomach from all the unhealthy snacking you did while anxiety munching? If workplace stress is affecting your body, there’s plenty of science to explain why.

The human body processes acute stress easily and naturally—think of the fight-or-flight response. Global stress levels have been steadily on the rise, and there’s a plethora of causes for it. Find out what goes on internally as a result of stress, from the chemicals released, to the organs impacted, and even the mental health ramifications.