What happens to your body when you pass out on a roller coaster?

This high G-force can push heads down and have blood rush from your brain down to your feet, which in turn lowers the oxygen level in your brain, which may lead to gray outs, loss of peripheral vision (known as tunnel vision), or temporary blindness.



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In most cases, your internal organs move within their physical cavity, being pushed back by the acceleration and bouncing back when you decelerate. Although the thought of such a thing seems quite wince-inducing to some, it's actually not harmful at all if done up to a limit, as roller coasters have shown us.

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The truth is that most visits to the amusement park are full of thrills, fun and are statistically quite safe. However, some amusement park rides, and especially roller coasters, are a significant cause of neck and spine injuries. While these injuries don't make the nightly news, they can slow you down.

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People with high blood pressure and/or heart conditions are warned not to ride roller coasters because of the way they tax the cardiovascular system.

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As much as possible, sit with proper form on the roller coaster, keeping your head and neck straight and against the head rest, or as park personnel directs, to avoid injury and help reduce nausea and dizziness. Remember to breathe throughout the ride to keep your body from tensing up.

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But some people think that these machines are totally unsafe and are accidents waiting to happen. But, these fears and myths that people think about roller coasters are usually false. The odds of dying on a roller coaster are 1 in 300 million.

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