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Animal study suggests stress-induced depression in new mothers spans generations
Date: Oct-11-2013A recently published study suggests that exposure to social stress not only impairs a mother's ability to care for her children but can also negatively impact her daughter's ability to provide maternal care to future offspring. Researchers at the Cummings School of Veterinary Medicine at Tufts University conducted a transgenerational study with female rats, examining the behavioral and physiological changes in mothers exposed to chronic social stress early in life as a model for postpartum depression and anxiety...
Investigational HIV vaccines elicit immune response in infants
Date: Oct-11-2013A new analysis of two HIV vaccine trials that involved pediatric patients shows that the investigational vaccines stimulated a critical immune response in infants born to HIV-infected mothers, researchers at Duke Medicine report. The finding, reported at the AIDS Vaccine 2013 meeting in Barcelona, Spain, examined samples from two previously completed pediatric HIV vaccine trials - called PACTG 230 and PACTG 326 - to determine whether they elicited a key immune response that has only recently been associated with reduced HIV infection...
New potential for nutrient-rich prairie fruits
Date: Oct-11-2013Researchers working at the University of Saskatchewan have discovered new potential in prairie fruits, in particular, buffaloberry, chokecherry and sea buckthorn, according to a new study published today in the Canadian Journal of Plant Science. Findings showed that these fruits were nutrient-rich and that the potential food value is high. This is good news for fruit growers in Saskatchewan as these results add further credence to support the development of these fruits for commercial food markets...
Finding in type 1 diabetes overturns idea of zero insulin
Date: Oct-11-2013Type 1 diabetes was previously thought to render the pancreas completely unable to produce insulin, the hormone responsible for controlling sugar entry into cells and subsequent blood levels. The truth, researchers have now discovered, is that very small amounts of insulin are produced in "most" patients, and that levels in the blood even respond to food intake. The early-onset form of diabetes was thought to kill off all the specialized insulin-secreting beta cells in the pancreas within a few years of developing the condition...
Less healthy food choices and higher calorie meals a greater temptation for users of school debit accounts
Date: Oct-11-2013Many school cafeterias adopt debit account payment systems as quick, convenient ways to keep lunch lines moving, but according to this study conducted by Cornell University's Food and Brand Lab researchers, putting it on the debit account may impact the health of kids' meals. Schools use debit systems without the option of paying with cash, students' lunches contained fewer fruits and vegetables, more unhealthy items, and more calories overall...
Overweight and obese children face high risk of hypertension
Date: Oct-10-2013High body weight in children and adolescents is strongly associated with the likelihood of hypertension, according to a Kaiser Permanente Southern California study published in The Journal of Clinical Hypertension. Researchers found that young people who are overweight are twice as likely as their normal-weight peers to have hypertension; moderately obese youths have four times higher risk; and extremely obese children and adolescents are 10 times more likely to have hypertension...
Marital satisfaction linked to genetic variations
Date: Oct-10-2013While some couples say marital bliss comes down to compatibility, like cheering for the same football team or enjoying the same cheese, researchers from California say how happy we are in our marriage may be a result of our DNA. The study, conducted at the University of California-Berkeley and published in the journal Emotion, reveals that a gene concerned with regulating serotonin predicts to what degree our emotions affect our relationships. Researchers, led by psychologist Robert W. Levenson, say this may be the first study to link genetics, emotions and marital satisfaction...
Infections in newborns linked to later behavior problems
Date: Oct-10-2013Researchers exploring the link between newborn infections and later behavior and movement problems have found that inflammation in the brain keeps cells from accessing iron at a critical time in brain development. Specific cells in the brain need iron to produce the white matter that ensures efficient communication among cells in the central nervous system. White matter refers to white-colored bundles of myelin, a protective coating on the axons that project from the main body of a brain cell. Scientists from Ohio State University induced a mild E...
New target found for drugs against brain cell death
Date: Oct-10-2013A major pathway leading to brain cell death in mice has been blocked by an orally administered drug-like compound, successfully preventing neurodegeneration in the animals. While this particular compound also resulted in unacceptable weight loss, the finding provides a new target for future drugs to treat neurodegenerative disorders in humans, such as Alzheimer's and Parkinson's diseases...
Sunscreen shields important anti-cancer gene
Date: Oct-10-2013Researchers who conducted the world's first study to assess the molecular impact of sunscreen found it offers 100% protection against all three types of skin cancer - basal cell carcinoma, squamous cell carcinoma and malignant melanoma. They also found sunscreen prevents damage to a key anti-cancer gene known as p53. There is lots of evidence that sunscreen stops skin from getting sunburn, but not much is known - although there is much speculation - about whether it can prevent skin cancers...
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