Can Thinking Make You More Tired? - Health Digest

During stress and when our brains need to work, the glutamate outside of the cells builds up. When these levels are too high, it's difficult to make decisions.

Toward the end of your work day, you feel antsy. You find yourself making more mistakes, and you wonder why you're so tired after sitting at your desk. You get home, and rather than take the time to … [+893 chars]

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