Search Results: "Alertness"

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• 04:43 Popular

  How Stress Affects Your Body - Sharon Horesh Bergquist

  1,238 views / 0 likes - added 8 years ago

  View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all goo

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• 02:55

  Caffeine 101 | National Geographic

  568 views / 0 likes - added 5 years ago

  Nearly 90% of the United States population has at least one caffeinated beverage every day. Learn about the chemistry of caffeine, how it causes increased alertness and focus, and how caffeine is capable of causing overdoses. ➡ Subscribe: http://bit.ly/Na

• 16:31

  Are Negative Ions Good For You?

  635 views / 0 likes - added 5 years ago

  Do negative air ions improve mood, anxiety, depression, alertness? Part of this video was sponsored by LastPass, click here to find out more: http://bit.ly/2RZZTZk Special thanks to Prof. Jack Beauchamp and Dr. Nathan Dalleska from Caltech for all their h

• 04:12 Popular

  Interpret Dog Tail Wags: How to Understand Dog's Body Language

  1,106 views / 0 likes - added 3 years ago

  In this video, we'll explain the meaning of each dog's tail signs.The position of a dog's tail can reveal a lot about what that dog is thinking and feeling. The speed of the wag, the pattern of movement, and the breadth of each tail sweep can all give inf

• 04:37

  How to Take the Perfect Nap

  168 views / 0 likes - added 2 years ago

  PSA: Napping isn't just for kids! The benefits of a quick 10-20 minute nap can be as powerful as a full 8-hour snooze. So next time you nod off at your desk, don't feel too bad about catching some extra Z's. Subscribe to Seeker! http://bit.ly/subscribesee

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