What happens to your brain when you burn out?

What happens to your brain when you burn out? This is the science behind thinking too hard. 00:00 - Does thinking make you tired? 00:21 - What biochemical changes take place? 00:51 - What is glutamate? 01:13 - How to stop burnout? How thinking hard makes the brain tired: https://econ.st/3TfP0A5 Pity the modern manager—burnt-out, distracted and overloaded: https://econ.st/3B0VVGR How to keep the brain healthy: https://econ.st/4cU1YdP Sign up to The Economist’s daily newsletter: https://econ.st/3QAawvI Sign up to The Economist’s Simply Science newsletter: https://econ.st/4cfEtvf Listen to Babbage, our science and technology podcast: https://econ.st/3WUbNDE