Stress (biological)

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Stress 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.

For more information about Stress (biological), read the full article at Wikipedia.
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News tagged with stress

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Possible link studied between childhood abuse and early cellular aging

Possible link studied between childhood abuse and early cellular aging

Medicine & Health / Psychology & Psychiatry

created 17 hours ago | popularity 5 / 5 (1) | comments 0

Children who suffer physical or emotional abuse may be faced with accelerated cellular aging as adults, according to new research from Butler Hospital and Brown University.


Military experiment seeks to predict PTSD (AP)

Military experiment seeks to predict PTSD

Medicine & Health / Psychology & Psychiatry

created Nov 20, 2009 | popularity not rated yet | comments 0

(AP) -- Two days before shipping off to war, Marine Pfc. Jesse Sheets sat inside a trailer in the Mojave Desert, his gaze fixed on a computer that flashed a rhythmic pulse of contrasting images.


PLoS Genetics 2009 maize genome collection

Biology / Biotechnology

created Nov 19, 2009 | popularity not rated yet | comments 0

Maize is an important crop in many countries of the world. It is widely used for human consumption, animal feed, and industrial materials. It also is considered an exemplar plant species for studying domestication, molecular ...


Research spawns new discoveries showing how crops survive drought

Research spawns new discoveries showing how crops survive drought

Biology / Cell & Microbiology

created Nov 18, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- Breakthrough research done earlier this year by a plant cell biologist at the University of California, Riverside has greatly accelerated scientists' knowledge on how plants and crops can ...


Experts: Failure to focus on farming will undermine global climate agreement and increase hunger

Space & Earth / Environment

created Nov 18, 2009 | popularity 1 / 5 (1) | comments 0

Alarmed by a substantial oversight in the global climate talks leading up to the United Nations Climate Change Conference in Copenhagen next month, more than 60 of the world's most prominent agricultural scientists and leaders ...


Inhibition of GRK2 is protective against acute cardiac stress injuries

Medicine & Health / Research

created Nov 17, 2009 | popularity not rated yet | comments 0

Inhibition of a protein known to contribute to heart failure also appears to be protective of the heart in more acute cardiac stress injury, namely ischemia reperfusion, according to two studies conducted at the Center for ...


Exercise-linked ventricular tachycardia is not a risk to healthy older adults

Medicine & Health / Research

created Nov 17, 2009 | popularity 4 / 5 (1) | comments 0

Healthy, older adults free of heart disease need not fear that bouts of rapid, irregular heartbeats brought on by vigorous exercise might increase short- or long-term risk of dying or having a heart attack, according to a ...


'Rationalizer' bracelet tells traders when they're stressed

'Rationalizer' bracelet tells traders when they're stressed

Electronics / Consumer & Gadgets

created Nov 17, 2009 | popularity 4.3 / 5 (6) | comments 4

(PhysOrg.com) -- Philips Electronics and the Dutch bank ABN AMRO have joined forces to develop a "Rationalizer" bracelet system that detects stress levels and displays a warning to help day-traders avoid making ...


Transcendental Meditation helped heart disease patients lower cardiac disease risks by 50 percent

Medicine & Health / Health

created Nov 16, 2009 | popularity 4.7 / 5 (9) | comments 2

Patients with coronary heart disease who practiced the stress-reducing Transcendental Meditation® technique had nearly 50 percent lower rates of heart attack, stroke, and death compared to nonmeditating controls, according ...


Postmortem genetic tests after sudden death may provide less expensive way to identify risk

Medicine & Health / Research

created Nov 15, 2009 | popularity not rated yet | comments 0

Targeted postmortem testing to identify genetic mutations associated with sudden unexplained death (SUD) is an effective and less expensive way to determine risk to relatives than comprehensive cardiac testing of first degree ...


DU professor advises families to refocus for holidays to ease financial tension (w/ Video)

Other Sciences / Social Sciences

created Nov 13, 2009 | popularity not rated yet | comments 0

Martha Wadsworth, associate professor of psychology at the University of Denver (DU), says during the holidays families should focus on what has been proven to matter most in psychological research - quality family time.


baby mice

Early life stress has effects at the molecular level

Medicine & Health / Neuroscience

created Nov 12, 2009 | popularity 4.5 / 5 (11) | comments 0

(PhysOrg.com) -- A new study of mice suggests that stress and trauma in early life can have an impact on the genes and result in behavioral problems later in life.


Researchers Study Whether Psychosocial Interventions Ease Psoriasis

Medicine & Health / Diseases

created Nov 11, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The National Center for Complementary and Alternative Medicine has awarded University of Rochester Medical Center researchers $2.5 million to investigate the impact of psychological interventions on attacks ...


New evidence that dark chocolate helps ease emotional stress

New evidence that dark chocolate helps ease emotional stress

Chemistry / Biochemistry

created Nov 11, 2009 | popularity 4 / 5 (4) | comments 2

The "chocolate cure" for emotional stress is getting new support from a clinical trial published online in ACS' Journal of Proteome Research.


New study sheds light on brain's response to distress, unexpected events (w/ Video)

Medicine & Health / Psychology & Psychiatry

created Nov 10, 2009 | popularity 5 / 5 (1) | comments 0

In a new study, psychologists at the University of Alabama at Birmingham (UAB) are able to see in detail for the first time how various regions of the human brain respond when people experience an unexpected or traumatic ...