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Heart medication errors too frequent in children

Infants and young children treated with heart drugs get the wrong dose or end up on the wrong end of medication errors more often than older children, according to research led by the Johns Hopkins Children's Center to be published July 6 in Pediatrics.

7 Jul 2009

Neuroscientists locate where fear is stored in the brain

Fear is a powerful emotion and neuroscientists have for the first time located the neurons responsible for fear conditioning in the mammalian brain. Fear conditioning is a form of Pavlovian, or associative, learning and is considered to be a model system for understanding human phobias, post-traumatic stress disorder and other anxiety disorders.

6 Jul 2009

Depressed students twice as likely to drop out of school

However, the research also indicates that lower grade point averages depended upon a student's type of depression, according to Daniel Eisenberg, assistant professor in the University of Michigan School of Public Health and principal investigator of the study.

6 Jul 2009

The surprising effect of cannabis on morphine dependence

Injections of THC, the active principle of cannabis, eliminate dependence on opiates (morphine, heroin) in rats deprived of their mothers at birth. This has been shown by a study carried out by Valérie Daugé and her team at the Laboratory for Physiopathology of Diseases of the Central Nervous System (UPMC / CNRS / INSERM) in the journal Neuropsychopharmacology. The findings could lead to therapeutic alternatives to existing substitution treatments.

6 Jul 2009

Cerebrovascular mental stress reactivity is impaired in hypertension

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 was absent in people with high blood pressure.

2 Jul 2009

Epigenetic modulation at birth - altered DNA-methylation in white blood cells after Caesarean section

Swedish researchers have discovered that babies born by Caesarean section experience changes to the DNA pool in their white blood cells, which could be connected to altered stress levels during this method of delivery, according to the July issue of Acta Paediatrica.

30 Jun 2009

Intense cycling training damages sperm

The high-intensity training undertaken by triathletes has a significant impact on the quality of their sperm, the 25th annual conference of the European Society of Human Reproduction and Embryology heard today (Monday 29 June). Professor Diana Vaamonde, from the University of Cordoba Medical School, Cordoba, Spain, said that the triathletes who did the most cycling training had the worst sperm morphology.

29 Jun 2009

How ‘high carb’ foods cause heart attacks

It has been commonly known for a number of years that certain foods, such as white bread and corn flakes, are bad for cardiac health, but new research from Israeli scientists shows just how 'high carb' foods cause heart attacks.

28 Jun 2009

Innovative Virtual Patient system for allergy sufferers

Keele University has developed a new programme to be used with its innovative Virtual Patient system to help pharmacists train in dispensing medication and providing advice on the treatment of hay fever and allergies.

24 Jun 2009

Underweight and extremely obese die earlier

Underweight people and those who are extremely obese die earlier than people of normal weight - but those who are overweight actually live longer than people of normal weight.

24 Jun 2009

The pursuit of genetic happiness

The pursuit of happiness characterizes the human condition. But for those suffering from stress, money trouble or chronic illness, a positive outlook on life can be difficult to find. Now, a Tel Aviv University researcher says we should look to our genes.

24 Jun 2009

Firms tweak benefit plans in District of Columbia and Baltimore area

The Washington Post reports that "More Washington- and Baltimore-area employers are shifting health-insurance costs to workers, offering high-deductible health plans and imposing restrictions on prescription-drug coverage to save money in the recession, according to a new survey by area human resources managers to be released today. But to keep good workers from jumping ship, according to the survey, more employers are offsetting the restrictions by beefing up other perks -- giving staff more flexibility in taking time off and working from home, and extending benefits to domestic partners."

23 Jun 2009

Children in Afghanistan suffering from post traumatic stress

Children who live in Afghanistan are particularly affected every day by a multitude of war time stressors which increase the likelihood of developing PTSD: trauma, child labor, and family and military violence. On a daily basis they are first-hand witnesses to the bombings, abuse, and the general upheaval of their home life and society as a result of war, including the effects of long-term poverty and familial turmoil.

23 Jun 2009

How teenage girls manage stress

Greater influence over everyday life, emotional support, and cultural and recreational activities help to enable teenage girls to withstand stress. Those were the results of a dissertation from the Sahlgrenska Academy, University of Gothenburg, Sweden.

23 Jun 2009

Scientists develop microfabricated device to measure cellular forces during tissue development

A University of Pennsylvania-led collaboration of bioengineers studying the physical forces generated by individual cells has created a tiny micron-sized device that allows researchers to measure and manipulate cellular forces as assemblies of living cells reorganize themselves into tissues.

23 Jun 2009

Music therapy for heart and stroke patients

Blood flow and respiratory rates can synch with music, indicating that music could one day be a therapeutic tool for blood pressure control and rehabilitation, according to a study by Italian researchers published in Circulation: Journal of the American Heart Association.

23 Jun 2009

Direct link found between smoking and brain damage

New research which suggests a direct link between smoking and brain damage will be published in the July issue of the Journal of Neurochemistry. Researchers, led by Debapriya Ghosh and Dr Anirban Basu from the Indian National Brain Research Center (NBRC), have found that a compound in tobacco provokes white blood cells in the central nervous system to attack healthy cells, leading to severe neurological damage.

23 Jun 2009

Parents struggle with costs of their children's autism care

The total cost for treating a child with autism can reach $5 million, but insurance companies rarely cover autism therapy and few states mandate it. CBS News reports that "an estimated one in every 150 children in America has autism and the number of reported cases is growing" while "parents are increasingly demanding that insurance companies cover the newest treatment."

22 Jun 2009

Anxiety’s hidden cost

The researchers, Professor Michael Eysenck and Dr Nazanin Derkshan, designed several experiments to explore the effects of anxiety on our ability to perform tasks such as avoiding distractions on a computer screen, when reading a story, or solving a series of simple mathematics problems.

22 Jun 2009

Research shows how obesity sets the stage for diabetes

Obesity is probably the most important factor in the development of insulin resistance, but science's understanding of the chain of events is still spotty. Now, researchers at the Salk Institute for Biological Studies have filled in the gap and identified the missing link between the two.

22 Jun 2009