Rethinking the Wrinkling: Key Genes Cause Aging

jerry submitted, created time 3 months 2 weeks (www.sciam.com)

Scientists may have been thinking about the causes of aging all wrong. Instead of being the result of an accumulation of genetic and cellular damage, new evidence suggests that aging may occur when genetic programs for development go awry.

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Walnut trees emit aspirin-like chemical to deal with stress

sea-maid submitted, created time 3 months 2 weeks (esciencenews.com)

Scientists have known for some time that plants can produce their own stress-killers--aspirin is famously produced in willow and walnut trees--but now they've been able to confirm that these compounds are released into the surrounding atmosphere in significant quantities.

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Early pregnancy trauma boosts schizophrenia risk

sea-maid submitted, created time 4 months 2 weeks (www.newscientist.com)

Excessive stress is never a good thing, but new research suggests that children of women who suffered severe psychological stress during early pregnancy are more likely to develop schizophrenia. ...

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Pleiotropic effects of rice RING-H2 finger protein gene OsBIRF1 on regulation of growth and defense responses

kavin submitted, created time 7 months 2 weeks (www.ncbi.nlm.nih.gov)

As we know, RING finger proteins comprise a large family and play key roles in regulating growth/developmental processes, hormone signaling and responses to biotic and abiotic stresses in plants. In this paper, the authors tell us that OsBIRF1 has pleiotropic effects on growth and defense response against multiple abiotic and biotic stresses.

2 comments | Blog It | Email It | Keywords: rice agriculture RING finger RING-H2 pleiotropism pleiotropic effects stress biotic stress abiotic stress OsBIRF1

What is the mechanisms of work stress and coronary heart disease?

kavin submitted, created time 8 months 2 weeks (eurheartj.oxfordjournals.org)

As known, in mordern times, people are suffering more and more work stress, which would hurt our heart, But wether the inevitability exsist between them is not known. Recently, a new study suggested work stress may be an important determinant of CHD among working-age populations, which is mediated through indirect effects on health behaviours and direct effects on neuroendocrine stress pathways.

4 comments | Blog It | Email It | Keywords: stress CHD heart disease human behavior psychological stress emotional stress stress hormones

Testosterone trade

jane2007 submitted, created time 8 months 3 weeks (www.nature.com)

It's interesting that hormone levels may affect success in the financial markets. The hormones testosterone and cortisol may reflect different stress triggers. The study finds a correlation between high and low testosterone levels and a higher or lower rate of success in stock trades, perhaps because of an increase or decrease in risk-taking. Female traders seem to be immune to this particular set of mood swings.

1 comment | Blog It | Email It | Keywords: stress stress response emotional response science and culture economics gender finance cortisol male hormones hormones testosterone levels

Consequences of sleep deprivation can add up

jane2007 submitted, created time 10 months 2 days (www.bcm.edu)

Depriving yourself of sleep can have a detrimental effect on your overall health. Research shows that several body functions are disturbed when you're not getting enough sleep. This ranges from neuropsychiatric disruptions to general cardiovascular function.

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Stress Lead to Cervical Cancer

How A Stressful Life Can Contribute To The Development Of Alzheimer’s Disease

yangjane submitted, created time 1 year 2 months (www.scientificblogging.com)

According to the results now published, stress induces the production of amyloid beta (Ab) peptide – the molecule associated with the neural plaques characteristic of the disease – and also makes neurons more vulnerable to Ab toxicity. Administration of glucocorticoids (GC) - the production of which is the first physiological response to stress – was shown to have the same effect, confirming the role of stress in AD

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Stress, Pain, and Paris Hilton

wugongliang submitted, created time 1 year 2 months (sciencenow.sciencemag.org)

Neuroscientists have found that a cardboard cutout of the ubiquitous Hilton Hotel heiress has a painkilling effect on mice. But don't expect clinical trials to begin anytime soon: Paris works only for males, and it may be only because she stresses them out.

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How mothers cradle babies could show stress

007RA submitted, created time 1 year 4 months (www.reutershealth.com)

How you hold your baby may say a lot about your mental state, British researchers said on Wednesday.

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Plants And Stress: Key Players On The Thin Line Between Life And Death Revealed

claudia submitted, created time 1 year 5 months (www.sciencedaily.com)

Our crops are not doing well these days: too much water, too little sunlight... In short, they are suffering from stress. How does the plant safeguard itself from stress?

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A brain chemical that battles despair

bianjie submitted, created time 1 year 5 months (www.eurekalert.org)

Researchers have identified a gene-regulating protein in the brains of mice that triggers the animals' ability to cope with the "behavioral despair" caused by inescapable stress.

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Mild stress in the womb may worsen risk of cerebral palsy

bianjie submitted, created time 1 year 5 months (www.eurekalert.org)

Chronic mild stress in pregnant mothers may increase the risk that their offspring will develop cerebral palsy -- a group of neurological disorders marked by physical disability -- according to new research in mice. The results may be the first to demonstrate such effects of stress on animals in the womb.

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Gene variant increases risk for alcoholism following childhood abuse

BIOBOSS submitted, created time 1 year 6 months (www.eurekalert.org)

Girls who suffered childhood sexual abuse are more likely to develop alcoholism later in life if they possess a particular variant of a gene involved in the body's response to stress, according to a new study led by researchers at the National Institute on Alcohol Abuse and Alcoholism, part of the National Institutes of Health. The new finding could help explain why some individuals are more resilient to profound childhood trauma than others.

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