stress response

King Pnguins find human presence stressful


July 11th, 2012 - 8:04 pm ICT by IANS
Paris, July 11 (IANS) King penguins not used to human presence are likely to become more stressed than those exposed to tourists and noises.All these specimens were from King Penguin ... Read more...

Posted in Environment |

Sleep loss jolts immune system into hyperactivity: Study


July 1st, 2012 - 5:00 pm ICT by IANS
Amsterdam, July 1 (IANS) Severe sleep loss jolts the immune system into hyperactivity, producing the same response as thrown up by exposure to stress, says a study. Researchers in the ... Read more...

Posted in Health |

Stress can be good for immune system


June 22nd, 2012 - 1:27 pm ICT by IANS
Washington, June 22 (IANS) Stress is bad for you -- you've heard it a thousand times. But it can be good for your immune system, says a study. Short-term stress, ... Read more...

Posted in Health |

Social ranking can influence genetic functions


April 10th, 2012 - 12:06 pm ICT by IANS
Washington, April 10 (IANS) A female monkey's higher ranking within her group can alter the functioning of nearly 1,000 genes within mere weeks, also boosting their immune system, says a ... Read more...

Posted in World |

How testosterone fights blues


April 3rd, 2012 - 5:36 pm ICT by IANS
Washington, April 3 (IANS) Testosterone, the primary male sex hormone, also keeps depression at bay. Now scientists have figured out how.Nicole Carrier and Mohamed Kabbaj of the Florida State University ... Read more...

Posted in Uncategorized |

Stress drives appetite and obesity


August 14th, 2011 - 5:37 pm ICT by IANS
Toronto, Aug 14 (IANS) Scientists have figured out why stress triggers appetite, which could be instrumental in causing obesity. Normally, the brain produces neurotransmitters (chemicals facilitating intercellular communication) called endocannabinoids ... Read more...

Posted in World |

How stress in brain increases inflammatory, behavioral responses


May 4th, 2011 - 1:42 pm ICT by ANI
Washington, May 4 (ANI): Scientists from Ohio State University's Institute of Behavioral Medicine Research have discovered that a model of social stress can increase inflammation among brain cells, providing new insight into ... Read more...

Posted in Health Science |

How anti-depressants create brain cell


April 13th, 2011 - 7:07 pm ICT by ANI
Washington, April 13 (ANI): Scientists have finally discovered how anti-depressants make new brain cells, which could help researchers develop better and more efficient drugs to combat depression.The study by scientists from the ... Read more...

Posted in Health Science |

Plants depend on circadian rhythms to survive freezing weather


April 13th, 2011 - 5:47 pm ICT by ANI
Washington, Apr 13 (ANI): A study has found that plants depend on circadian rhythms, which are physical, mental and behavioural changes that follow a 24-hour cycle, to survive freezing temperatures.Michael Thomashow, University ... Read more...

Posted in Health Science |

Females become addicted to cocaine more easily


March 11th, 2011 - 2:52 pm ICT by ANI
Washington, Mar 11 (ANI): Females become addicted to cocaine more easily than males and find it harder to give up, according to a new study on rats.The research showed that the motivation ... Read more...

Posted in Health Science |

Females get addicted to cocaine more easily


March 11th, 2011 - 2:07 pm ICT by IANS
Washington, March 11 (IANS) Females become addicted to cocaine more easily than males and find it harder to give up. New research reinforcing this position showed that female rats ... Read more...

Posted in World |

‘Bad’ neighbourhood linked to worse cognitive function in some older adults


March 8th, 2011 - 6:43 pm ICT by ANI
Washington, Mar 8 (ANI): A new study has warned that living in a psychosocially hazardous neighbourhood could worsen the cognitive function in older age for persons with the apolipoprotein E e4 allele ... Read more...

Posted in Health Science |

Scientists make volunteers experience illusion of having 3 arms


February 24th, 2011 - 2:49 pm ICT by ANI
Washington, Feb 24 (ANI): In an astounding experiment, scientists at the Swedish medical university Karolinska Institutet have shown that it is possible to make healthy volunteers experience having three arms at the ... Read more...

Posted in Health Science |

Protein that turns off stress identified


February 9th, 2011 - 7:11 pm ICT by IANS
London, Feb 9 (IANS) How does the body recover from responding to shock or acute stress? This question is at the heart of a research which has identified a protein family central ... Read more...

Posted in Health |

How does the body recover from responding to shock or acute stress?


February 9th, 2011 - 5:44 pm ICT by ANI
Washington, Feb 9 (ANI): Our body's response to stress begins in the brain, and a family of proteins plays a prominent role in regulating this mechanism, suggests a new study.Alon Chen of ... Read more...

Posted in Health Science |

Study finds how blood clotting and cancer progression are linked


February 5th, 2011 - 6:54 pm ICT by ANI
Washington, Feb 5 (ANI): Scientists have found how activated blood coagulation is associated with cancer.A human body's stress response is to stock pile blood-clotting factors. This means that stressed cells in ... Read more...

Posted in Health Science |

New vaccine strategy tested in mice shows promise against TB


January 26th, 2011 - 2:31 pm ICT by ANI
London, Jan 26 (ANI): A research team has found that a new vaccine strategy tested in mice provides stronger, more long-lasting protection from tuberculosis (TB) infection than the vaccine currently used in ... Read more...

Posted in Health Science |

Secrets of common virus that can cause cancer decoded


December 16th, 2010 - 5:51 pm ICT by ANI
Washington, Dec 16 (ANI): Scientists at the Duke Cancer Institute have decoded secrets of a very common virus that can cause cancer.About 90 percent of people are infected at some time in ... Read more...

Posted in Health Science |

Depression in mums ups stress hormones in babies


December 10th, 2010 - 6:00 pm ICT by ANI
Washington, Dec 10 (ANI): A University of Michigan-led study has found that babies born to depressed mums have higher levels of stress hormones, as well as with other neurological and behavioural differences."The ... Read more...

Posted in Health Science |

Solitary fish may be first model for human depression


November 23rd, 2010 - 5:35 pm ICT by ANI
London, Nov 23 (ANI): Zebrafish that stop swimming when left alone could be the first fish model of a human mood disorder.In 2005, when Herwig Baier of the University of California, was ... Read more...

Posted in Health Science |

Bonding over problems can be stressful for women


November 14th, 2010 - 5:28 pm ICT by ANI
Washington, Nov 14 (ANI): A study has found that female friends who dwell on each other's problems show an increase in stress hormone cortisol and in activity of the sympathetic nervous system.However, ... Read more...

Posted in Health Science |

Pleasurable activity reduces stress by inhibiting anxiety


November 11th, 2010 - 11:11 am ICT by IANS
London, Nov 11 (IANS) Be it food or sex, pleasurable activity actually reduces stress by inhibiting anxiety responses in the brain.Experiments by Yvonne Ulrich-Lai, research assistant professor, James Herman, professor of psychiatry ... Read more...

Posted in Health |

Social connections affect sensitivity to physical pain: Study


November 9th, 2010 - 5:32 pm ICT by ANI
Washington, Nov 9 (ANI): A new study from University of Toronto has identified the influence of human social interaction on sensitivity to physical pain."Our study is among the first to show in ... Read more...

Posted in Health Science |

Specific changes in the brain linked to sleep deprivation


November 4th, 2010 - 2:54 pm ICT by ANI
Washington, Nov 4 (ANI): Scientists have published the most systematic study to date of the effects of sleep deprivation on gene expression in the brain.The findings have implications for improving the ... Read more...

Posted in Health Science |

Scientists reveal cancer’s hiding spots


October 29th, 2010 - 4:36 pm ICT by ANI
Washington, Oct 29 (ANI): Scientists have discovered that a small number of cancer cells manage to escape chemotherapy by hiding out in the thymus, an organ where immune cells mature.In a new ... Read more...

Posted in Health Science |

Childhood hardship may lead to unhealthy stress response later in life


October 8th, 2010 - 1:44 pm ICT by ANI
Washington, Oct 08 (ANI): A new research has shown that seemingly healthy adults, if they were abused or neglected during childhood, have an elevated inflammatory response to stress compared to adults who ... Read more...

Posted in Health Science |

Personality disorders raise risk of ulcers


October 3rd, 2010 - 3:23 pm ICT by IANS
London, Oct 3 (IANS) Those with a personality disorder are up to five times more likely to develop stomach ulcers, a study suggests."Manifestations of peptic ulcer disease are influenced by mind-body interactions," ... Read more...

Posted in Health |

Potential ‘persistence’ switch for tuberculosis discovered


September 18th, 2010 - 11:53 am ICT by ANI
Washington, Sep 18 (ANI): Rice University bioengineers have examined a portion of the tuberculosis genome that responds to stress and have found a network of genes that may "switch" the disease into ... Read more...

Posted in Health Science |

Aging and longevity linked to specific brain region in mice


July 29th, 2010 - 12:58 pm ICT by ANI
Washington, July 29 (ANI): In a study on mice engineered to produce a protein showed that a specific brain region, called the hypothalamus governs aging and longevity.The researchers found that mice engineered ... Read more...

Posted in Health Science |

Gene involved in aging also linked to Alzheimer’s


July 23rd, 2010 - 1:25 pm ICT by ANI
Washington, July 23 (ANI): A gene previously implicated in the aging process has now been linked to Alzheimer's disease (AD).MIT biology professor Leonard Guarente and his colleagues showed that in mice engineered ... Read more...

Posted in Health Science |

Sea lamprey research provides insight into stress hormones’ evolution


July 20th, 2010 - 3:16 pm ICT by ANI
Washington, July 20 (ANI): Researchers at Michigan State University have, for the first time, identified a stress hormone in the sea lamprey, using the 500 million-year-old species as a model to understand ... Read more...

Posted in Health Science |

Exercise can heal early brain stress


July 15th, 2010 - 7:02 pm ICT by IANS
Sydney, July 15 (IANS) Athletes have long known about the natural "high" that exercise can induce. Now, for the first time, medical researchers have demonstrated that exercise can also reverse the effects ... Read more...

Posted in Health |

New clue into cellular aging identified


July 8th, 2010 - 1:57 pm ICT by ANI
London, July 8 (ANI): Researchers at the University of Massachusetts Medical School have found a new clue about the molecular and cellular processes governing aging.The discovery could help delay the onset ... Read more...

Posted in Health Science |

Spaceflight compromises immune system of astronauts


May 15th, 2010 - 2:01 pm ICT by ANI
Washington, May 15 (ANI): Spaceflight takes a toll on the genes controlling immune and stress response, which apparently leads to more sickness among astronauts, according to a new study.Astronauts are known to ... Read more...

Posted in Health Science |

Non-invasive respiratory stress test to detect significant coronary artery disease


May 14th, 2010 - 1:25 pm ICT by ANI
Washington, May 14 (ANI): A non-invasive Respiratory Stress Response (RSR) can quickly and accurately measure the presence of significant coronary artery disease (sCAD), the leading cause of cardiovascular death worldwide, according to ... Read more...

Posted in Health Science |

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