Archive for the tag: Brain

You can grow new brain cells. Here's how | Sandrine Thuret | TED

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You can grow new brain cells. Here's how | Sandrine Thuret | TED

Can we, as adults, grow new neurons? Neuroscientist Sandrine Thuret says that we can, and she offers research and practical advice on how we can help our brains better perform neurogenesis—improving mood, increasing memory formation and preventing the decline associated with aging along the way.

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and much more.
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Is It A Tension Headache or Possible Brain Cancer? Simple 20 Second Test

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“Famous” Physical Therapists Bob Schrupp and Brad Heineck present: Is It A Tension Headache or Possible Brain Cancer? Simple 20 Second

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How to get rid of a headache fast? What’s the best headache relief? What actually causes headaches? The main factors are severe stress, fatigue, sinusitis, poor posture, water loss, dehydration, and holding the head in an improper position for a long time.

In some cases, we can solve this pesky problem by ourselves, yet sometimes we should see a doctor immediately. Here’s a detailed guide to help you identify the type of a headache you have as well as the best strategy for pain relief.

#headache #painrelief #stressreduce

TENSION HEADACHE 0:23
This is the most frequent type of headaches. The main symptoms:
• You feel like you’re wearing a tight band around your forehead.
• You feel spasms around your eyes and upper forehead.
• You feel a dull gnawing pain.

SINUS HEADACHE 1:26
This type of a headache is caused by sinusitis. The main symptoms:
• You feel pain in your forehead around the eyebrows and under the eyes.
• This headache might lead to a running or blocked nose.
• You feel tired and weak.

MIGRAINE 2:13
All symptoms occur during a migraine attack that progresses through four stages:
• Prodrome (1 to 2 days). You feel irritable, fatigued and have an increased or decreased appetite.
• Aura (up to 30 mins). You become sensitive to light, feel tingling and numbness, and might have speech disorders.
• Resolution (up to 24 hours). You feel fatigued and have trouble concentrating.
• A headache itself (up to 72 hours). You feel severe throbbing pain.

CLUSTER HEADACHE 3:22
Cluster headaches affect less than 1% of the population. The main symptoms:
• Redness of the eyes
• Sensitivity to light
• Lacrimation

HANGOVER 4:13
Alcohol causes blood vessel dilation and affects serotonin levels in your body. The main symptoms:
• Throbbing or dull aching pain
• Tightness
• Heaviness

SUMMARY
– A tension headache: take any appropriate painkiller, but you should only use them occasionally. If headaches occur frequently, consult your doctor. Try to be physically active.
– A sinus headache: it rarely goes away on their own. If you have an allergy, antihistamines may help. In other cases, it’s best to see a doctor who will most probably prescribe antibiotics.
– Migraine: a number of treatments are available to help ease the symptoms. Moreover, regular exercise will help you improve your health significantly.
– A cluster headache: treating it can be tricky because the pain appears and disappears spontaneously and at a moment’s notice. Only a doctor can help you solve this problem.
– Hangover: the best remedy is to take a painkiller, drink plenty of water, and get some good sleep.

We hope you will never experience any of these headaches, but if you get one of them it’s better to consult a doctor before taking any medicines. Do not self-medicate!

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How Stress Affects the Brain

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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.
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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
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How stress affects your brain – Madhumita Murgia

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Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.

Lesson by Madhumita Murgia, animation by Andrew Zimbelman.
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Exercise, Stress, and the Brain

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Dr. Paul Thompson talks about how imaging has revealed the positive effects of exercise on the brain as well as the detrimental effects of stress and cortisol on the brain.

For more information visit:

http://www.loni.ucla.edu/

http://www.humanconnectomeproject.org/

Photos courtesy of: LONI, the Human Connectome Project

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The Long-term Effects of Stress

This video is intended to spread awareness about the long-term effects of stress. Everyone experiences stress everyday, it can come from any source. Some examples include emotional, physical or job related stress. Stress is our body’s primitive way of responding to any kind of internal or external demand or threat. The short-term effects of stress may not be serious but prolonged exposure to stress can lead to very serious long-term effects on the body.
Thus, this video will be outlining the some of the long-term effects on the body such as an increase in heart attacks, obesity and development of diabetes. This video will also be discussing the three stress hormones; cortisol, epinephrine and norepinephrine. Cortisol, which is the major stress hormone, is released from the adrenal cortex. Epinephrine which is also referred to as adrenaline and norepinephrine, referred to as noradrenaline are released from the adrenal medulla.

This video was made by 4DM3 students Vyshnavi Mahendran, Tamandeep Khangura, Humaira Nakhuda, Mateen Akhtar and Andrew Nashed.
Copyright McMaster University 2016

Please let us know how we can improve our videos and additional topics should be addressed below.

References:
Al’Abadie, M. S., Kent, G. G., & Gawkrodger, D. J. (1994). The relationship between stress and the onset and exacerbation of psoriasis and other skin conditions. British Journal of Dermatology, 130(2), 199-203.
Asthma and Allergy Foundation of Amercia. (2015) Asthma facts and Figures. (n.p). Retrieved October 18,2016 from http://www.aafa.org/page/asthma-facts.aspx
Bhatia, V., & Tandon, R. K. (2005). Stress and the gastrointestinal tract. Journal of gastroenterology and hepatology, 20(3), 332-339.
Deanfield, J., Kensett, M., Wilson, R., Shea, M., Horlock, P., De Landsheere, C., & Selwyn, A. (1984). Silent myocardial ischaemia due to mental stress. The Lancet, 324(8410), 1001-1005.
Desborough, J. P. (2000). The stress response to trauma and surgery. British journal of anaesthesia, 85(1), 109-117.
Ghiadoni, L., Donald, A. E., Cropley, M., Mullen, M. J., Oakley, G., Taylor, M., … & Deanfield, J. E. (2000). Mental stress induces transient endothelial dysfunction in humans. Circulation, 102(20), 2473-2478.
Health Canada. (2008). Mental Health-Coping with Stress (n.p). Retrieved October 18, 2016, from http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/life-vie/stress-eng.php
Kemeny, M. E. (2003). The psychobiology of stress. Current directions in psychological science, 12(4), 124-129.
Lundberg, U. (2005). Stress hormones in health and illness: the roles of work and gender. Psychoneuroendocrinology, 30(10), 1017-1021.
Ranabir, S., & Reetu, K. (2011). Stress and hormones. Indian journal of endocrinology and metabolism, 15(1), 18.
Statistics Canada.(2014).Overweight and obese adults (n.p). Retrieved October 21, 2016, from http://www.statcan.gc.ca/pub/82-625-x/2015001/article/14185-eng.htm
Steptoe, A., & Kivimäki, M. (2012). Stress and cardiovascular disease. Nature Reviews Cardiology, 9(6), 360-370.
Surwit, R. S., Schneider, M. S., & Feinglos, M. N. (1992). Stress and diabetes mellitus. Diabetes care, 15(10), 1413-1422.
Torres, S. J., & Nowson, C. A. (2007). Relationship between stress, eating behavior, and obesity. Nutrition, 23(11), 887-894.
World Health Organization.(2016). Global report on Psoriasis. Retrieved October 18, 2016, from http://apps.who.int/iris/handle/10665/204417
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