Archive for the tag: stress

How Stress Affects the Body Animation – Function of Epinephrine and Cortisol Video

health No Comments »

How Stress Affects the Body Animation - Function of Epinephrine and Cortisol Video

During periods of stress, such as preparing to run in a race, the brain signals the adrenal glands to produce epinephrine or “adrenaline”. Epinephrine increases the rate in which the heart beats. The increased cardiac output supplies more oxygen to the muscles, putting the body in a heightened state to react. As a longer term response to stress, cortisol is secreted by the adrenal glands, promoting the release of energy.
Video Rating: / 5

How Chronic Stress Harms Your Body

health No Comments »

We can’t avoid having stress, and that’s not always a bad thing. But if you are dealing with a lot of stress every day, it might cause you physical harm.

Hosted by: Hank Green
———-
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
———-
Dooblydoo thanks go to the following Patreon supporters:
Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz
———-
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
———-
Sources

http://www.apa.org/helpcenter/understanding-chronic-stress.aspx
http://sites.google.com/site/sarahpressman2/millerchenzhou2007.pdf
https://www.ncbi.nlm.nih.gov/pubmed/15574496
http://www.nature.com/nature/journal/v490/n7419/full/490169a.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3401586/
https://www.ncbi.nlm.nih.gov/pubmed/18279846
https://www.ncbi.nlm.nih.gov/pubmed/9625226
https://www.ncbi.nlm.nih.gov/pubmed/1674771
http://www.sciencedirect.com/science/article/pii/014067369193068K
https://www.ncbi.nlm.nih.gov/pubmed/10681901
https://www.ncbi.nlm.nih.gov/pubmed/17201569
http://library.allanschore.com/docs/MaltreatmentHPAGunnar06.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2853611/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4464969/
http://psycnet.apa.org/record/1993-44556-001
https://www.ncbi.nlm.nih.gov/pubmed/20604855
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3780662/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3374921/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3052954/
https://www.ncbi.nlm.nih.gov/pubmed/18190880

Image Sources:
https://commons.wikimedia.org/wiki/Category:Cortisol#/media/File:Cortisol-2D-skeletal.png
https://commons.wikimedia.org/wiki/Epinephrine#/media/File:Epinephrine.png
Video Rating: / 5

What causes stress headaches?

health No Comments »

What causes stress headaches?

What’s the relationship between stress and headaches? Norman has the answers…

Tonic TV |T-S016 I S01E03
Video Rating: / 5

Lexiscan Cardiac Nuclear Stress Test Overview | Patient Prep & Side Effects

health No Comments »

Lexiscan Stress Test: What is a Lexiscan Nuclear Cardiac Stress test? Patient Prep for a Lexiscan Stress Test, and side effects of a Lexiscan stress test. This video provide a educational tutorial on how a Lexiscan stress test is performed, why a doctor orders a Lexiscan stress test, patient prep, and side effects of Lexiscan.

Don’t forget to Subscribe: http://www.youtube.com/subscription_center?add_user=registerednursern

“Different Types of Cardiac Stress Test”: https://www.youtube.com/watch?v=CUkv4ILqT0E

“Cardiac Nursing”: https://www.youtube.com/watch?v=1Fj2VhYKjVc

“EKG Teaching Tutorials”:https://www.youtube.com/playlist?list=PLQrdx7rRsKfU-A9UTclI0tOYrNJ1N5SNt

How Stress Affects the Brain

health No Comments »

Stress is a normal part of life, but when it becomes long-term or overwhelming, it can be harmful. Learn what happens in your brain when you’re stressed, how stress can negatively affect your body, and what practices you can adopt to help keep it under control.
Video Rating: / 5

Presented by Stanford Cancer Supportive Care
Stress is common. Learn how the body responds to stress and causes physical symptoms such as: fatigue, headache, stomach pain, sleep, and mood disturbances. Tools for stress management like exercise and mindfulness were discussed.

Speaker: Maria Juarez-Reyes MD, PhD
Clinical Assistant Professor Medicine – Primary Care and Population Health
Stanford Medicine
Video Rating: / 5

What happens in a stress test? | Victor Chang Cardiac Research Institute

health No Comments »

Have you been told by your doctor that you will need to undergo a stress test? Watch this video to see what you can expect in an exercise stress test. Stress tests are a great test to see how healthy your heart is and whether you are at risk of a heart attack?

Find out more at https://www.victorchang.edu.au/heartdisease
Video Rating: / 5

What to expect at your exercise stress test

Our Stress lab team perform stress tests to help determine how well your body functions under the “stress” of exercise. This test may help your doctor understand where to target medical therapies or determine if a surgery or catheterization intervention is needed. A well-performed exercise stress test can also assess your heart rate and rhythm during exercise to make sure you are safe to return to sports and activities. This video will let you know what your experience will be like when you come to Children’s for a stress test.

Nuclear vs Exercise Stress – Which One Is Better At Detecting Blockages?

health No Comments »

If you want to find blockages, which test is better for you? Nuclear or Exercise stress test?

Learn more at nexthealth.org

https://www.facebook.com/drhabibNH
https://www.instagram.com/doctorhabib/

In a video originally posted on TheHeart.org | Medscape Cardiology, Charanjit (Chet) Rihal, MD, and Thomas G. Allison, PhD, discuss the role of exercise in promoting cardiac health and how oxygen treadmill testing can help discern cardiac versus conditioning causes of dyspnea.

Don't Ignore A Stress Fracture: Symptoms and Treatment

health No Comments »

Stress fractures of the foot occur most often in one of the metatarsals at the top of the foot. Symptoms include pain and swelling on top of the foot. Learn more here! https://www.bergdpm.com/library/stress-fracture.cfm

𝗢𝗨𝗥 𝗙𝗥𝗘𝗘 𝗙𝗢𝗢𝗧 𝗔𝗡𝗗 𝗔𝗡𝗞𝗟𝗘 𝗖𝗔𝗥𝗘 𝗘𝗕𝗢𝗢𝗞𝗦

The Complete Guide to Stopping Heel Pain in Runners- https://www.bergdpm.com/reports/the-complete-guide-to-stopping-heel-pain-in-runners.cfm

Stop Living With Stubborn Heel Pain https://www.bergdpm.com/reports/stop-living-with-stubborn-heel-pain.cfm

How to Buy Hiking Boots to Prevent Plantar Fasciitis https://www.bergdpm.com/reports/how-to-buy-hiking-boots-to-prevent-plantar-fasciitis.cfm

How to Stop Your Ball of Foot Pain
https://www.bergdpm.com/reports/how-to-stop-your-ball-of-foot-pain.cfm

Stop Living With Painful Bunions
https://www.bergdpm.com/reports/stop-living-with-painful-bunions.cfm

Guide to Eliminating Fungal Toenails
https://www.bergdpm.com/reports/guide-to-eliminating-fungal-toenails.cfm

Why Does Stress Happen? | Sadhguru

health No Comments »

Sadhguru looks at the root cause of stress, and how harnessing the external situation depends on how well we can harness our own intelligence and body.

#Sadhguru
Yogi, mystic and visionary, Sadhguru is a spiritual master with a difference. An arresting blend of profundity and pragmatism, his life and work serves as a reminder that yoga is a contemporary science, vitally relevant to our times.

Sadhguru Exclusive (Register Now)
⚡ http://isha.co/ex-yt

Sadhguru App (Download)
📱 http://onelink.to/sadhguru__app

Official Sadhguru Website
🌎 http://isha.sadhguru.org

Donate Towards Crafting A Conscious Planet
🙏 http://isha.co/sanghamitra-yt

Offerings from Sadhguru in Challenging Times
🌼 https://isha.sadhguru.org/sadhana-support

Guided Yoga & Meditations by Sadhguru (Free Online)
🌼 http://isha.sadhguru.org/5-min-practices
🌼 http://isha.sadhguru.org/IshaKriya

Inner Engineering Online Program
🌼 http://isha.co/IEO-YT (Register Now)

Official Social Profiles of Sadhguru (Subscribe)
🌐 https://youtube.com/sadhguru?sub_confirmation=1
🌐 https://facebook.com/sadhguru
🌐 https://instagram.com/sadhguru
🌐 https://twitter.com/SadhguruJV
🌐 https://t.me/Sadhguru

Stress is the way our bodies and minds react to something which upsets our normal balance in life. Stress is how we feel and how our bodies react when we are fearful or anxious. Some level of stress has some upside to mind and body function to enable us to react in a positive way. Too much stress though, is both harmful to the body and our performance. How much is too much? Well, that depends… on you and how you respond.

It is essential to know how our brain responds to the stimuli which trigger an anxiety response so that you are equipped to deal appropriately with anxiety.

Let me highlight the key areas of your brain that are involved, and then I will explain what happens inside the brain.

The Thalamus is the central hub for sights and sounds. The thalamus breaks down incoming visual cues by size, shape and colour, and auditory cues by volume and dissonance, and then signals the cortex.

The cortex then gives raw sights and sounds meaning enabling you to be conscious of what you are seeing and hearing. And I’ll mention here that the prefrontal cortex is vital to turning off the anxiety response once the threat has passed.

The amygdala is the emotional core of the brain whose primary role is to trigger the fear response. Information passing through the amygdala is associated with an emotional significance.

The bed nucleus of the stria terminals is particularly interesting when we discuss anxiety. While the amygdala sets off an immediate burst of fear whilst the BNST perpetuates the fear response, causing longer term unease typical of anxiety.

The locus ceruleus receives signals from the amygdala and initiates the classic anxiety response: rapid heartbeat, increased blood pressure, sweating and pupil dilation.

The hippocampus is your memory centre storing raw information from the senses, along with emotional baggage attached to the data by the amygdala.

Now we know these key parts, what happens when we are anxious, stressed or fearful?

Anxiety, stress and, of course, fear are triggered primarily through your senses:

Sight and sound are first processed by the thalamus, filtering incoming cues and sent directly to the amygdala or the cortex.

Smells and touch go directly to the amygdala, bypassing the thalamus altogether. (This is why smells often evoke powerful memories or feelings).

Any cues from your incoming senses that are associated with a threat in the amygdala (real or not, current or not) are immediately processed to trigger the fear response. This is the expressway. It happens before you consciously feel the fear.

The hippothalmus and pituitary gland cause the adrenal glands to pump out high levels of the stress hormone coritsol. Too much short circuits the cells of the hippocampus making it difficult to organize the memory of a trauma or stressful experience. Memories lose context and become fragmented.

The body’s sympathetic nervous system shifts into overdrive causing the heart to beat faster, blood pressure to rise and the lungs hyperventilate. Perspiration increases and the skin’s nerve endings tingle, causing goosebumps.

Your senses become hyper-alert, freezing you momentarily as you drink in every detail. Adrenaline floods to the muscles preparing you to fight or run away.

The brain shifts focus away from digestion to focus on potential dangers. Sometimes causing evacuation of the digestive tract thorough urination, defecation or vomiting. Heck, if you are about to be eaten as someone else’s dinner why bother digesting your own?

Only after the fear response has been activated does the conscious mind kick in. Some sensory information, takes a more thoughtful route from the thalamus to the cortex. The cortex decides whether the sensory information warrants a fear response. If the fear is a genuine threat in space and time, the cortex signals the amygdala to continue being on alert.

Fear is a good, useful response essential to survival. However, anxiety is a fear of something that cannot be located in space and time.

Most often it is that indefinable something triggered initially by something real that you sense, that in itself is not threatening but it is associated with a fearful memory. And the bed nucleus of the stria terminals perpetuate the fear response. Anxiety is a real fear response for the individual feeling anxious. Anxiety can be debilitating for the sufferer.

Now that you know how anxiety happens in your brain, we can pay attention to how we can deliberately use our pre-frontal cortex to turn off an inappropriate anxiety response once a threat has passed.

Background Music: My Elegant Redemption by Tim McMorris. http://audiojungle.net/item/my-elegant-redemption/5445374

I highly recommend that you also check out Lisa Feldman Barret’s book on How Emotions are Made as this new research questions the assertions I make in the video (yes, I was probably wrong :-))

Find out how we can help, http://www.LeadershipAdvantEdge.com

How stress is killing us (and how you can stop it). | Thijs Launspach | TEDxUniversiteitVanAmsterdam

health No Comments »

What cause us to have so much stress these days? And why are especially young people vulnerable to this?
What is stress? What happens in the brain and in the body during stress?
What are the consequences of stress, if you’re not careful?
What is burn-out?
Which 5 steps can you take to reduce stress in your life?
Final message: is IS possible experience less stress in life – with some practical solutions. But YOU have to make the choice to do this!
Thijs is a psychologist who has written two books: Quarterlife, about the quarterlifer crisis, and The Millenial Manifesto, about the societal factors which lead to the high prevalence of mental health issues among young people. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx
Video Rating: / 5