WEBVTT - How Long Could You Hang Upside Down Safely?

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<v Speaker 1>Welcome to Brainstuff, a production of iHeartRadio. Hey brain Stuff,

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<v Speaker 1>lorn volgebum here and I am recording this episode live

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<v Speaker 1>from the iHeart Podcast studio powered by Bows at the

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<v Speaker 1>House of Music at the iHeartRadio Music Festival. So yes,

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<v Speaker 1>I'm in a booth at a music festival and I'm

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<v Speaker 1>about to talk to you about hanging upside down. Here's

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<v Speaker 1>where we are. Okay, So, does hanging upside down make

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<v Speaker 1>you feel a little panicky? Like it might explode your head,

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<v Speaker 1>like all your spit might pool in your nose and

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<v Speaker 1>drown you, Or like your eyes might pop out of

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<v Speaker 1>their sockets and PLoP on the floor. Don't worry, none

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<v Speaker 1>of those didn't happen. But hanging out in a head

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<v Speaker 1>down position isn't completely harmless either. In fact, being suspended

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<v Speaker 1>upside down for too long might not eject your eyeballs,

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<v Speaker 1>although it can occasionally lead to a temporary loss of

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<v Speaker 1>vision in some people, but it would eventually kill you,

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<v Speaker 1>basically of asphyxiation or heart failure. It turns out your

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<v Speaker 1>lungs evolved to sit on top of all of your

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<v Speaker 1>other organs for a reason. Being as delicate as they are.

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<v Speaker 1>It doesn't take them long to get squished by the bigger,

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<v Speaker 1>heavier organs like the liver and intestines that usually sit

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<v Speaker 1>below them. This isn't as much of a problem when you're, say,

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<v Speaker 1>lying on an incline with your feet slightly elevated above

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<v Speaker 1>your head, But when your head is directly underneath your feet,

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<v Speaker 1>your lungs simply can't expand enough to absorb enough oxygen

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<v Speaker 1>to fuel your body given the available space that they

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<v Speaker 1>have to work with. But it's not just the lungs

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<v Speaker 1>you have to worry about during extended periods of reverse suspension.

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<v Speaker 1>Our bodies are well set up to move blood around

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<v Speaker 1>when we're standing upright, and our blood vessels are customized

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<v Speaker 1>to make sure that blood doesn't cool in our feet

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<v Speaker 1>due to gravity, but that system is a one way street.

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<v Speaker 1>Our bodies did not evolve to prevent blood from pooling

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<v Speaker 1>in the head. This can actually be a bit of

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<v Speaker 1>a problem for astronauts hanging out in the near zero

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<v Speaker 1>gravity of orbit. It makes their sinuses swell up with blood,

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<v Speaker 1>which makes them feel a little stuffy. But more critically,

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<v Speaker 1>should blood pool in the brain, specifically as it could

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<v Speaker 1>during prolonged upside down suspension in normal earth gravity, all

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<v Speaker 1>sorts of things could go wrong, including ruptured blood vessels,

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<v Speaker 1>which can lead to brain hemorrhage or which is bad. However,

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<v Speaker 1>medical professionals think heart failure is the cause of death

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<v Speaker 1>in most upside down fatalities for much the same reason

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<v Speaker 1>that our brains can suffer. When your head down, your

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<v Speaker 1>heart slows down, it's pumping and starts receiving more blood

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<v Speaker 1>than it has the capacity to manage at one time.

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<v Speaker 1>It begins to have a hard time maintaining blood pressure

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<v Speaker 1>and eventually loses its ability to move around enough blood

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<v Speaker 1>to maintain all of the body's essential functions. But okay,

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<v Speaker 1>here's a weird thing. Although hanging upside down can occasionally

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<v Speaker 1>or eventually kill you, if you take it in shorter stints,

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<v Speaker 1>it can converse pretty compelling health benefits. Inverted poses in

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<v Speaker 1>disciplines like yoga encourage blood to flow from the feet, legs,

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<v Speaker 1>and pelvis back to the heart and lungs, where it

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<v Speaker 1>picks up fresh oxygen. The studies have shown that over time,

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<v Speaker 1>brief inversions can lower the resting heart rate, increase overall endurance,

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<v Speaker 1>and help your body use oxygen more efficiently during exercise.

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<v Speaker 1>And Although in vers suspension can be dangerous. It's actually

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<v Speaker 1>pretty rare that people die from it. Just for example,

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<v Speaker 1>when a Belgian roller coaster failed in nineteen ninety seven,

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<v Speaker 1>stranding a group of riders upside down for about an

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<v Speaker 1>hour and a half. Everyone survived the ordeal just fine.

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<v Speaker 1>There doesn't even seem to be a hard and fast

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<v Speaker 1>rule about how long it's safe to hang out upside down.

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<v Speaker 1>We do know that anyone with a pre existing heart

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<v Speaker 1>or lung condition should be more cautious about it. But

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<v Speaker 1>the rule of thumb seems to be if you're upside

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<v Speaker 1>down and start to feel like you should stop, then stop,

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<v Speaker 1>which is a pretty good rule for pretty much anything

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<v Speaker 1>when it comes to our weird and wonderful bodies. Today's

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<v Speaker 1>episode was recorded live at the iHeart Podcast Studio powered

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<v Speaker 1>by Bows at the House of Music at iHeartRadio Music Festival.

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<v Speaker 1>It's based on the article how long can a person

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<v Speaker 1>safely hang upside Down? On how Stuffworks dot Com written

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<v Speaker 1>by Jeslin Shields. Brain Stuff is production of by Heart

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<v Speaker 1>Radio in partnership with HowStuffWorks dot Com and is produced

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<v Speaker 1>by Tyler Klang. Four more podcasts from my Heart Radio

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<v Speaker 1>visit the iHeartRadio, app, Apple podcasts, or wherever you listen

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