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Health & Medicine News
Thu, 20 Jul 2017 13:31:07 EDT
Cow antibodies yield important clues for developing a broadly effective AIDS vaccine
The elicitation of powerful, HIV-blocking antibodies in cows in a matter of weeks -- a process that usually takes years in humans -- has now been described by researchers. The unexpected animal model is providing clues for important questions at a moment when new energy has infused HIV vaccine research.
Thu, 20 Jul 2017 13:18:31 EDT
Innate reaction of hematopoietic stem cells to severe infections
For the first time, researchers have shown that hematopoietic stem cells detect infectious agents themselves and begin to divide – that is, without signals from growth factors. This direct production of defensive cells damages hematopoiesis in the long term, however, which could lead to malignant hematopoietic stem cell diseases at advanced age.
Thu, 20 Jul 2017 11:58:39 EDT
Aboriginal community with strong ethno-cultural identity and connection to the land has lower suicide rates
A new study investigating mental health perceptions and practices of an aboriginal community in northern Ontario, and its significantly lower rates of mental health services utilization and suicide, suggests that a strong ethno-cultural identity and connection to the land are significant factors to positive mental health outcomes in this region. The study findings are published in the August 2017 edition of the International Journal of Mental Health and Addiction.
Thu, 20 Jul 2017 11:37:10 EDT
A healthy lifestyle increases life expectancy by up to seven years
Maintaining a normal weight, not smoking, and drinking alcohol at moderate levels are factors that add healthy years to life.
Thu, 20 Jul 2017 11:37:06 EDT
Molecular changes with age in normal breast tissue are linked to cancer-related changes
New research provides insight into how changes that occur with age may predispose breast tissue cells to becoming cancerous. Specifically, the study demonstrates that regions in the genome where DNA methylation changes occur with age are particularly sensitive to disruption in cancer. This new data provides insight into how certain molecular changes with age in normal breast tissue itself may contribute to breast cancer risk.
Thu, 20 Jul 2017 11:36:49 EDT
Heart cell's response to dwindling oxygen predicted
A model that predicts a single heart cell's response to dwindling supplies of oxygen has been developed by researchers. Specifically, it evaluates a cell's ability to keep producing ATP -- a cell's primary fuel source -- and stay alive, even as it is increasingly deprived of oxygen.
Thu, 20 Jul 2017 11:36:45 EDT
Using a pig model to study chronic diseases may help minimize drug failure rate
Scientists may be able to minimize the failure rate of drugs for diseases linked to high-calorie diets, such as colon cancer and type 2 diabetes, if they test treatments using a pig model, according to an international team of researchers.
Thu, 20 Jul 2017 11:36:42 EDT
Want to win at sports? Take a cue from these mighty mice
As student athletes hit training fields this summer to gain the competitive edge, a new study shows how the experiences of a tiny mouse can put them on the path to winning. Scientists examined how surges of testosterone both before and after aggressive encounters led the male California mouse to win in future matches.
Thu, 20 Jul 2017 11:36:37 EDT
Parents have critical role in preventing teen drinking
Fewer Australian teenagers are drinking alcohol but more needs to be done to curb the drinking habits of Aussie students, based on the findings of the latest study.
Thu, 20 Jul 2017 10:36:04 EDT
Art therapy best practices for children with autism
A researcher is working with art therapists to find better ways to treat children who have Autism Spectrum Disorder (ASD). Researchers were able to develop a set of guidelines for delivering art therapy to children who have ASD.
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