For men, multitasking can drop IQ as much as 15 points, essentially turningyou into the cognitive equivalent of an 8-year-old. Don’t be surprised when you find yourself stocking up on pop rocks.
Email is problematic, but texting is even worse, demanding even more immediacy than email, having us check it more adamantly as a result.
Multitasking has also been found to increase production of cortisol, the stresshormone. Having our brain constantly shift gears pumps up stress and tires us out, leaving us feeling mental…