Although emotions like fear and anxiety originate in your brain, they ultimately travel through your body and make your heart race and your stomach twist.
The sympathetic nervous system produces our fight-or-flight response to any perceived threat. The vagus nerves are part of the parasympathetic nervous system, which does the opposite.
You’re working out, feeling great – until your stomach starts to churn and you’re sidelined with a bout of nausea. Here’s what’s happening in your body and how to avoid this common effect of exercise.
Most of the time, different parts of your nervous system work in balance. But sometimes things can get out of whack – and that’s when you might end up experiencing what medics call syncope.