Stress (biological)
hideStress is a biological term which refers to the consequences of the failure of a human or animal to respond appropriately to emotional or physical threats to the organism, whether actual or imagined. It includes a state of alarm and adrenaline production, short-term resistance as a coping mechanism, and exhaustion. Common stress symptoms include irritability, muscular tension, inability to concentrate and a variety of physical reactions, such as headaches and elevated heart rate.
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News tagged with mental stress
Holocaust survivors at higher risk for all cancers
Oct 26, 2009 |
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Jewish survivors of World War II who were potentially exposed to the Holocaust are at a higher risk for cancer occurrence, according to a new study published online October 26 in the Journal of the National Cancer Institute.
Yawn alert for weary drivers
Jul 27, 2009 |
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We've all experienced it after long hours driving, the eyelids getting heavy, a deep yawn, neck muscles relaxing, the urge to sleep, the head nodding down... But, you're hands are still on the wheel and you only just stopped ...
A rush of blood to the head -- anger increases blood flow
Jul 03, 2009 |
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Mental stress causes carotid artery dilation and increases brain blood flow. A series of ultrasound experiments, described in BioMed Central's open access journal Cardiovascular Ultrasound, also found that this dilatory reflex ...
Middle-aged women experience more stress but have lower blood pressure
Jun 05, 2009 |
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Both blood pressure and serum lipid levels have improved in Swedish middle-aged women during the past 30 years. Levels of perceived mental stress, however, have increased significantly. These are the of a thesis presented ...
Childhood health disparities can have life-long health effects
Jun 02, 2009 |
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Research indicates that physical and mental stress in childhood may have life-long adverse health effects and policy initiatives are needed to emphasize the importance of starting health promotion and disease prevention early ...
Excessive increase in heart rate before exercise doubles risk of sudden cardiac death in later life
Apr 29, 2009 |
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French researchers have discovered a simple and cheap method of predicting who is at greater risk of dying suddenly and unexpectedly from a heart attack.
Weak social ties at workplace increase risk of burn-out
Apr 09, 2009 |
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Long-term leaves of absence tied to stress-related diagnoses are often preceded by a long period without any secure and comforting social relations. This is shown in a recently published study in public health science at ...
Anger management: The key to staying heart healthy?
Feb 23, 2009 |
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New research published in the March 3, 2009, issue of the Journal of the American College of Cardiology finds that anger-induced electrical changes in the heart can predict future arrhythmias in patients with implantable cardio ...
