Many people like to brag about how busy they are and how many things they do at the same time. Maybe they would be less likely to take pride in that habit if they knew that it temporarily lowers their IQs by up to 15 points. That means that multitasking is harder on your cognitive abilities than smoking pot (and we all know how sharp pot makes people).
Although it may seem that you are getting more done by doing five things at once, in fact you are less productive. [Read more…]