Pain Worse at Night, Who Needs Water, Covid Nasal Spray
Curiosity Weekly
Warner Bros. Discovery
4.6 • 935 Ratings
🗓️ 12 January 2023
⏱️ 18 minutes
🔗️ Recording | iTunes | RSS
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Summary
Today you’ll learn about the development of a potential new Covid vaccine in the form of a nasal spray, how your circadian rhythm affects how intensely you feel pain, and how the old saying that you need 8 glasses of water a day could be a myth.
Pain Worse at Night
- “Why pain feels worse at night” by Allison Whitten
- “Circadian rhythmicity of pain sensitivity in humans” by Inès Daguet, Véronique Raverot, Didier Bouhassira, and Claude Gronfier
Who Needs Water?
- “Stop counting cups. There’s an ocean of difference in our water needs” by UNIVERSITY OF WISCONSIN-MADISON
- “Variation in human water turnover associated with environmental and lifestyle factors” by YOSUKE YAMADA et al.
Covid Nasal Spray
- “How nasal-spray vaccines could change the pandemic” by Emily Waltz
- “Investigational Mucosal COVID Vaccine Protects Against Disease and Transmission” by Sarah Avery
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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 Gally. If you're dropping in for the first time |
| 0:14.0 | welcome to curiosity where we aim to blow your mind by helping you to grow your mind. If you're |
| 0:18.2 | a loyal listener, welcome back. Today you'll learn about the development of a potential |
| 0:22.3 | new COVID vaccine in the form of a |
| 0:24.4 | nasal spray, how your circadian rhythm affects how intensely you feel pain, and how the old saying |
| 0:30.5 | that you need eight glasses of water a day could be a myth. |
| 0:34.1 | Without further ado, let's satisfy some curiosity. |
| 0:37.4 | Have you ever noticed how physical pain fluctuates throughout the day, but usually gets |
| 0:41.9 | way more intense at night? For years we thought this was just |
| 0:45.2 | a coincidence but recent research out of France suggests it's not. As a matter of fact our pain is |
| 0:51.2 | more closely tied with our circadian clocks than we previously thought. |
| 0:55.2 | Wait, seriously? Okay, so this has been a mystery to me about fluctuating pain. |
| 1:00.5 | So one minute I'll be recording a science podcast, but the next my back feels like it got hit by a bus. |
| 1:07.0 | Exactly. So the good news is now we know part of why your pain fluctuates. Our bodies have something called |
| 1:15.0 | circadian rhythms which is basically our sleep cycles. During the night our bodies |
| 1:19.3 | are more relaxed and during the day we're more alert and these rhythms can influence how intensely we |
| 1:25.2 | feel pain based on the time of day we feel it. Okay that doesn't make sense though |
| 1:29.9 | why does my back hurt more at like 3 a.m. when I'm supposed to be more relaxed? |
| 1:34.6 | Sometimes it'll even wake me up. |
... |
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