eli5: Why does working out helps so much with mental health?

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I have OCD and working out ALWAYS makes me feel better whenever I have spikes. How does that work?

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Anonymous 0 Comments

This is a bit vague and not going to give you good detailed science info but it IS ELI5 so: We evolved under conditions where a big way to handle stress and fear was to act – run away from or fight off the threat, chase down some prey or go look for new food sources. If you were sedentary for long it was because you *couldn’t* do those things – maybe there was a storm or a predator right outside and it was too dangerous to go out of the cave, or maybe you were injured or ill, and then it made sense for your body to go into a more depressed state to save energy and help you stay inside where it was safe. So getting up and moving around is like a signal that your stressors are now dealt with (you fought off the predator) or it’s now safe outside and you can get back to your “normal” active state.

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