A team of researchers out of Loughborough University in the UK used a set of 30 government employees as guinea pigs to determine the physical as well as psychological effects of email. To do so they tracked the blood pressure, heart rate and cortisol (a hormone related to stress) levels of the syudy participants, who were also asked to keep a diary of their work days. What they found probably won’t surprise you.
Though a single email was no more stressful than receiving a phone call, the amount of email that came at the study subjects throughout the day meant that email ended up being far more stressful than other means of communication. Dealing with all those messages raised cortisol levels as well as increasing blood pressure and heart rate -- all signs of elevated stress. If you need reminding, physical stress like this can lead to a parade of nasty conditions like heart troubles and high blood pressure over the long-term
Read More in Inc.com: Jessica Stillman