Articles
The space double-whammy: Less gravity, more radiation
Astronauts floating weightlessly in the International Space Station may appear carefree, but years of research have shown that microgravity causes changes to the human...


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Dangerous mistaken identity: Protein folding leads to some...
Tau proteins, which are responsible for Alzheimer's disease, bind to the folding protein HSP90. The molecular recognition mechanisms that play a role here have been...


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Why and how anti-retroviral therapy works even against HIV...
A new study tested a panel of anti-HIV drugs for their ability to suppress cell-to-cell transmission of the virus. The results reveal differences between different drugs,...


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Early atherosclerotic plaques in vessel wall regress completely...
Early but not advanced forms of atherosclerotic plaques in the vessel wall disappear when the levels of 'bad' cholesterol are lowered, according to a study in mice. The...


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High-calorie diet could slow progression of motor neuron disease...
A high-carbohydrate, high-calorie diet could delay the progression of Amyotrophic Lateral Sclerosis (ALS), also known as motor neuron disease or Lou Gehrig’s disease,...


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Fossilized human feces from 14th century contain antibiotic...
A team of French investigators has discovered viruses containing genes for antibiotic resistance in a fossilized fecal sample from 14th century Belgium, long before...


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Implantable magnetic 'bracelet' brings relief to GERD sufferers
An innovative laparoscopic procedure that implants a ring of magnetic beads to help prevent acid reflux in patients who suffer from Gastroesophageal Reflux Disease (GERD)...


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Dual role of brain glycogen revealed by researchers
Key questions regarding the activity of glycogen in neurons are answered in two recently published articles, building on years of research and publications. The authors...


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Fragile X syndrome: Trigger for most common form of intellectual...
The most common genetic form of mental retardation and autism occurs because of a mechanism that shuts off the gene associated with the disease, new research concludes. The...


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Deadly immune 'storm' caused by emergent flu infections
Scientists have mapped key elements of a severe immune overreaction -— a “cytokine storm” -— that can both sicken and kill patients who are infected with certain strains of...


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Bisphenol A (BPA) at very low levels can adversely affect...
Bisphenol A is a chemical that is used in a wide variety of consumer products and exhibits hormone-like properties. Fetuses, infants, children or adults exposed to the...


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Prenatal Nicotine Exposure May Lead to ADHD in Future Generations
Prenatal exposure to nicotine could manifest as attention deficit hyperactivity disorder in children born a generation later, according to a new study. Researchers have...


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Link found between pollutants, certain complications of obesity
A link has been found between a type of pollutant and certain metabolic complications of obesity. The breakthrough could eventually help improve the prevention, diagnosis,...


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Faster anthrax detection could speed bioterror response
Shortly following the 9/11 terror attack in 2001, letters containing anthrax spores were mailed around the country killing five people and infecting 17 others. At the time,...


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Supplement added to standard diet improves health, prolongs life in...
Activating a protein called Sirtuin 1 (SIRT1) extends lifespan, delays the onset of age-related metabolic diseases, and improves general health in mice. The findings point...


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Study uncovers why autism is more common in males
Males are at greater risk for neurodevelopmental disorders, such as autism spectrum disorder, than females, but the underlying reasons have been unclear. A large cohort...


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Researchers X-ray living cancer cells
Scientists have carried out the first studies of living biological cells using high-energy X-rays. "The new method for the first time enables us to investigate the internal...


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Type 1 diabetes: Vitamin D deficiency occurs in early stage
Low levels of vitamin D are commonly found in people with type 1 diabetes. But even children who have multiple positive islet autoantibodies without manifest type 1...


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Low birth weight reduces ability to metabolize drugs throughout life
Another concern related to low birth weight has been found by researchers: a difference in how the body reacts to drugs, which may last a person's entire life and further...


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Why dark chocolate is good for your heart
It might seem too good to be true, but dark chocolate is good for you and scientists now know why. Dark chocolate helps restore flexibility to arteries while also...


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Cushing's syndrome: Genetic basis for cortisol excess
Cushing’s syndrome has been found to be linked to a genetic basis for cortisol excess. Cortisol is a hormone that is produced by the adrenal gland in response to stressful...


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Tooth extraction prior to cardiac surgery may increase risk of...
Removing an infected tooth prior to cardiac surgery may increase the risk of major adverse outcomes, including risk of death prior to surgery, even though the practice is...


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Smarter colorectal screening could improve senior health
Age-based colorectal cancer screening guidelines could lead to inappropriate use and contribute to healthy seniors missing out on the preventative tests including...


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Secondhand smoke exposure linked to adverse pregnancy outcomes
Secondhand smoking is linked with pregnancy loss, including miscarriage, stillbirth and tubal ectopic pregnancy, according to new research. The study findings mark a...


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Scientists wake up to causes of sleep disruption in Alzheimer's...
New research using fruit flies with Alzheimer's protein finds that the disease doesn't stop the biological clock ticking but detaches it from the sleep-wake cycle that it...


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Over 80s often over-treated for stroke prevention
People in their 80s are often prescribed drugs to ward off a stroke when the risk of a stroke is not that high and the drugs have other side effects, suggest a new medical...


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DNA test better than standard screens in identifying fetal...
A new study potentially has significant implications for prenatal testing for major fetal chromosome abnormalities. The study found that in a head-to-head comparison of...


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One gene influences recovery from traumatic brain injury
One change in the sequence of the BDNF gene causes some people to be more impaired by traumatic brain injury than others with comparable wounds, new research shows. The...


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Caesarean babies more likely to become overweight as adults,...
Babies born by caesarean section are more likely to be overweight or obese as adults, according to a new analysis that is based on over 38,000 individuals. The odds of...


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Harvested rainwater harbors pathogens
South Africa has been financing domestic rainwater harvesting tanks in informal low-income settlements and rural areas in five of that nation's nine provinces. But...


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Father's age tied to higher rates of psychiatric, academic problems...
Advancing paternal age can lead to higher rates of psychiatric and academic problems in offspring than previously estimated. Compared to a children born to a 24-year-old...


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New mechanism of gene regulation, enzyme use in cells discovered
In the cells of humans and other organisms, only a subset of genes are active at any given time, depending largely on the stage of life and the particular duties of the...


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