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Hormone Oxytocin calms arguing couples

A dose of the hormone Oxytocin reduces the stress hormone Cortisol in arguing couples. In addition, Oxytocin strengthens positive behaviour, as researchers at the University of Zurich have discovered. The study by the psychologist Beate Ditzen has appeared in the specialist magazine "Biological Psychiatry".

8 Dec 2008

Doing the math for membranes

Determining the mechanisms that shape biological membranes has long been a tricky business. Like a factory assembly line, eukaryotic cells are organized into membrane-bound, functional compartments called organelles.

4 Dec 2008

Stereotypical imperfections offer health benefits when it comes to bodies

Having an imperfect body may come with some substantial benefits for some women, according to a new article in the December issue of Current Anthropology.

3 Dec 2008

Stress-related disorders affect brain's processing of memory

Researchers using functional MRI (fMRI) have determined that the circuitry in the area of the brain responsible for suppressing memory is dysfunctional in patients suffering from stress-related psychiatric disorders.

3 Dec 2008

Brains of low-income children function differently from brains of high-income kids

University of California, Berkeley, researchers have shown for the first time that the brains of low-income children function differently from the brains of high-income kids.

3 Dec 2008

New insights into cellular senescence

Scientists have identified a molecular cause behind the ravages of old age and in doing so have also shown how a natural process for fighting cancer in younger persons can actually promote cancer in older individuals.

3 Dec 2008

Men who survive childhood leukemia have lower bone mineral density

Men who survived childhood leukemia treatment into adulthood were more likely to have low bone mineral density than other adults their age, putting them at risk of osteoporosis and bone fractures, according to a new study.

3 Dec 2008

Scientists produce illusion of body-swapping

Cognitive neuroscientists at the Swedish medical university Karolinska Institutet (KI) have succeeded in making subjects perceive the bodies of mannequins and other people as their own.

3 Dec 2008

Smart materials to revolutionise surgical implants

A brand new process that could revolutionise the reliability and durability of surgical implants, such as hip and knee replacements, has today, 2 December 08, received recognition for its medical and commercial potential by achieving one of the world's most sought after accolades.

2 Dec 2008

More evidence on why the Mediterranean diet is good for heart

Researchers have discovered one potential mechanism by which briefly cutting off, then restoring, blood flow to arteries prior to a heart attack lessens the damage caused, according to a study published today in the journal Cardiovascular Research.

2 Dec 2008

Avoid stress and exercise lots during pregnancy

New Australian research has found that even minor, everyday stress during pregnancy possibly affects a developing foetus.

2 Dec 2008

Seniors with depression more likely to gain abdominal fat

Older adults with symptoms of depression appear more likely to gain abdominal fat, but not overall fat, over a five-year period, according to a report in the December issue of Archives of General Psychiatry.

1 Dec 2008

Psychiatric disorders common among 18 to 24-year-olds

Psychiatric disorders appear to be common among 18 to 24-year-olds, with overall rates similar among those attending or not attending college, according to a report in the December issue of Archives of General Psychiatry.

1 Dec 2008

Babies exposed to tobacco in utero more irritable, difficult to soothe

Previous studies have shown that babies exposed to tobacco in utero are more likely to have a low birth weight and are at increased risk for sudden infant death syndrome.

1 Dec 2008

Scientists discover new properties of imidazolium salts

Scientists at Singapore's Institute of Bioengineering and Nanotechnology (IBN) have uncovered new properties of imidazolium salts (IMSs), which suggest that they could play a vital role in disease prevention and treatment.

1 Dec 2008

People with lower IQs may have greater risk of mental disorders

Researchers have hypothesized that people with lower IQs may have a higher risk of adult mental disorders, but few studies have looked at the relationship between low childhood IQ and psychiatric disorders later in life.

1 Dec 2008

New hope for post-traumatic stress disorder sufferers

Post-traumatic stress disorder (PTSD) affects as many as one in five of all Americans who survive a harrowing experience like rape, assault, war or terrorism.

1 Dec 2008

Age care in jeopardy as workers quit because of job stress

Australian researchers say job stress is forcing many age care workers to leave and is jeopardising the industry.

1 Dec 2008

Fast food diet a suspect in Alzheimer's disease

The research by scientists at the Karolinska Institutet has revealed that mice fed a diet of junk food for a nine month period developed the abnormal brain tangles which are seen in the preliminary stages of Alzheimer's disease - they say a diet rich in fat, sugar and cholesterol could increase the risk of the most common type of dementia.

1 Dec 2008

Selenium may slow march of AIDS

Increasing the production of naturally occurring proteins that contain selenium in human blood cells slows down multiplication of the AIDS virus, according to biochemists.

30 Nov 2008