Why the modern world is bad for your brain

Daniel J Levitan: ‘When trying to concentrate on a task, an unread email in your inbox can reduce your effective IQ by 10 points.’Our brains are busier than ever before. We’re assaulted with facts, pseudo facts, jibber-jabber, and rumour, all posing as information. Trying to figure out what you need to know and what you can ignore is exhausting. At the same time, we are all doing more. Thirty year

[godmother]

同時に別々のことをしない方が脳は休まるという理由かな：Multitasking has been found to increase the production of the stress hormone cortisol as well as the fight-or-flight hormone adrenaline,