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Science Quickly

Extreme Exercise Can Poison the Blood

Science Quickly

Scientific American

Science

4.41.4K Ratings

🗓️ 22 June 2015

⏱️ 2 minutes

🧾️ Download transcript

Summary

Even four hours of intense activity may be enough to let bacteria escape from the gut into the blood, setting off a chain of inflammation. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

Hello, Deadpool here. We're very excited to be joining you, but we should set the table correctly.

0:05.4

We're mostly going to make enemies with Disney and make a lot of jokes at Hughes' expense.

0:09.4

Come again.

0:10.4

So sit back, relax, while we travel to a place where grown men and women walk around in tights and act like it's not a giant cultural cry for help.

0:19.0

Because this is cinema. Shaggy! Oh my God! This is Cinema

0:22.8

Cinema. Shut God.

0:23.8

Oh my God.

0:24.8

Marvel Studios Deadpool in Wolverine in Cinemas Thursday July 25th.

0:29.6

This is Scientific American's 60 second science. I'm Christopher Intalyata. Got a minute?

0:37.0

If you're serious about fitness, you know the importance of training your muscles and your brain.

0:42.0

Without the right prep, you won't have the physical or mental

0:44.8

endurance to finish, whether it's a 5K or an Iron Man.

0:48.6

But it turns out that it may be just as important

0:51.2

to train your gut, or suffer inflammatory consequences.

0:55.1

So says a study in the International Journal of Sports Medicine.

1:00.1

Researchers sampled the blood of 17 runners before and after a 24-hour ultramarathon,

1:05.6

where runners covered anywhere from 75 to 130 miles on foot.

1:10.1

During the race, their guts got leaky, due to a lack of blood flow to the intestines and the physical trauma from so many jarring miles.

1:18.0

Gut bacteria escaped into the blood, where some released toxins.

1:22.0

The runner's bodies then responded by launching... to the blood, where some release toxins.

1:23.0

The runner's bodies then responded by launching an immune response,

1:26.4

and inflammation set in.

...

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