GERD Anxiety, Crowd Math, Insect Catapult

Curiosity Weekly

Warner Bros. Discovery

Science

4.6 • 963 Ratings

🗓️ 6 April 2023

⏱️ 17 minutes

🔗️ Recording | iTunes | RSS

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Summary

Today we discuss the link between gastrointestinal disorders and mental health, how the path you take walking through a crowd can be predicted by mathematics, and how we’ve now witnessed an example of super propulsion in nature for the first time!

GERD Anxiety

“The causal role of gastroesophageal reflux disease in anxiety disorders and depression: A bidirectional Mendelian randomization study” by Youjie Zeng, Si Cao, and Heng Yang
- https://www.frontiersin.org/articles/10.3389/fpsyt.2023.1135923/full
“Linking the Gut and the Mind: New Evidence Shows GERD May Increase Risk of Anxiety and Depression” by Heng Yang, Youjie Zeng, and Si Cao
- https://oa.mg/blog/gerd-may-increase-risk-of-anxiety-and-depression/
“Gastroesophageal reflux disease (GERD)” by Mayo Clinic
- https://www.mayoclinic.org/diseases-conditions/gerd/symptoms-causes/syc-20361940#:~:text=Gastroesophageal%20reflux%20disease%20(GERD)%20occurs,reflux%20from%20time%20to%20time.
“GERD (Chronic Acid Reflux)” by Cleveland Clinic
- https://my.clevelandclinic.org/health/diseases/17019-gerd-or-acid-reflux-or-heartburn-overview

Crowd Math

“Lane nucleation in complex active flows” by KAROL A. BACIK, BOGDAN S. BACIK, AND TIM ROGERS
- https://www.science.org/doi/10.1126/science.add8091
“Stick to your lane: Hidden order in chaotic crowds” by University of Bath
- https://phys.org/news/2023-03-lane-hidden-chaotic-crowds.html
“Mathematicians have discovered the hidden patterns that exist within ‘chaotic’ crowds” by Connie Lin
- https://www.fastcompany.com/90860429/mathematics-of-crowds-patterns-theory

Insect Catapult

“Droplet superpropulsion in an energetically constrained insect” by Elio J. Challita, Prateek Sehgal, Rodrigo Krugner & M. Saad Bhamla
- https://www.nature.com/articles/s41467-023-36376-5
“Insect that flings pee with a butt catapult is 1st known example of 'superpropulsion' in nature” By Charles Q. Choi
- https://www.livescience.com/insect-that-flings-pee-with-a-butt-catapult-is-1st-known-example-of-superpropulsion-in-nature
“Sharpshooter Insects Use ‘Superpropulsion’ to Catapult Their Pee” by Jack Tamisiea
- https://www.scientificamerican.com/article/sharpshooter-insects-use-superpropulsion-to-catapult-their-pee1/

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Transcript

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0:00.0	Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery.
0:09.0	Time flies when you're learning super cool stuff.
0:11.0	I'm Nate.
0:12.0	And I'm Callie. If you're dropping in for the first time
0:13.9	welcome to curiosity where we aim to blow your mind by helping you to grow your mind.
0:18.0	If you're a loyal listener, welcome back. Today you'll learn about the link
0:21.9	between gastrointestinal disorders and mental health, how the path
0:25.8	you take walking through a crowd can be predicted by mathematics, and how we've now witnessed
0:31.0	an example of super propulsion in nature for the first time.
0:34.9	Without further ado, let's satisfy some curiosity. So we've talked a bit before
0:39.9	about the age-old concept of the mind-body connection, but today I want to tell you about a very concrete example.
0:46.3	Ooh okay already a good hook I would like to hear more.
0:50.9	Thank you thank you. Have you ever heard of GERD before?
0:55.2	It's gastrointestinal reflux disease and it's got some pretty awesome symptoms like heartburn,
1:01.4	involuntary regurgitation and chest pain.
1:04.0	Yeah, okay, yeah, I've heard of it.
1:06.0	I've never heard the long name before, but I do actually have some close friends who have to deal with this. But from what I've heard it doesn't have
1:14.3	anything to do with the mind, right? Well, hold on a second, we'll get to that. So a little bit of
1:19.2	background, Gurd is one of the most common gastrointestinal disorders and it affects anywhere between 10 to 20 percent of the global population.
1:27.2	What's really interesting is that a number of studies have shown that people with GERD are more likely to develop anxiety disorders and depression.
1:35.3	Okay, that does make sense to me. I mean, I understand I wouldn't necessarily be feeling
1:39.2	my best if I was dealing with heartburn and chest pain all the time, but can you explain what exactly is going on when someone is experiencing gird?
	...

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