The Online Newsletter: ScienceDaily Health Headlines -- for Sunday, September 5, 2010

ScienceDaily Health Headlines

for Sunday, September 5, 2010

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Hair provides proof of the link between chronic stress and heart attack (September 4, 2010) -- Researchers have provided the first direct evidence using a biological marker, to show chronic stress plays an important role in heart attacks. The scientists developed a method to measure cortisol levels in hair providing an accurate assessment of stress levels in the months prior to an acute event such as a heart attack. ... > full story

Novel nanotechnology collaboration leads to breakthrough in cancer research (September 4, 2010) -- A multidisciplinary group of researchers has produced a 3.6-angstrom resolution structure of the human adenovirus. Scientists are working with adenovirus as a vector for gene therapy, but have needed better structural information. ... > full story

Functional motor neuron subtypes generated from embryonic stem cells (September 4, 2010) -- Scientists have devised a method for coaxing mouse embryonic stem cells into forming a highly specific motor neuron subtype. The research provides new insight into motor neuron differentiation and may prove useful for devising and testing future therapies for motor neuron diseases. ... > full story

When it comes to the immune system, we're all more alike than previously thought, study finds (September 4, 2010) -- When it comes to the mechanics of the human immune system, we are all more alike than previously thought, according to a new study. ... > full story

Why fish oils work swimmingly against inflammation and diabetes (September 4, 2010) -- Researchers have identified the molecular mechanism that makes omega-3 fatty acids so effective in reducing chronic inflammation and insulin resistance. ... > full story

New animal model for hemophilia A developed (September 4, 2010) -- Researchers have developed a new animal model for studying hemophilia A, with the goal of eventually treating people with the disorder. Hemophilia A, a hereditary defect that prevents blood from clotting normally, is caused by a variety of mutations in the factor VIII gene. ... > full story

Verbal snippets offer insights on well-being amid separation, divorce (September 4, 2010) -- A new study of romantically separated people shows they offer clues to their emotional status in just a few seconds of conversation. ... > full story

Mechanisms and function of a type of mysterious immune cell discovered (September 3, 2010) -- In two closely related studies, two teams of scientists have discovered the underlying mechanisms that activate a type of immune cell in the skin and other organs. The findings may lead to the development of new therapies to treat inflammation, wounds, asthma and malignant tumors. ... > full story

How bone-marrow stem cells hold their 'breath' in low-oxygen environments (September 3, 2010) -- Researchers have identified unique metabolic properties that allow a specific type of stem cell in the body to survive and replicate in low-oxygen environments. ... > full story

Low grades in adolescence linked to dopamine genes, says biosocial criminologist (September 3, 2010) -- The academic performance of adolescents will suffer in at least one of four key subjects -- English, math, science, history -- if their DNA contains one or more of three specific dopamine gene variations, according to a biosocial criminologist. ... > full story

Brainy worms: Scientists uncover counterpart of cerebral cortex in marine worms (September 3, 2010) -- Unexpectedly, scientists have now discovered a true counterpart of the cerebral cortex in an invertebrate, a marine worm. Their findings give an idea of what the most ancient higher brain centers looked like, and what our distant ancestors used them for. ... > full story

Capsaicin can act as co-carcinogen, study finds; Chili pepper component linked to skin cancer (September 3, 2010) -- New research links capsaicin, a component of chili peppers, to skin cancer. While the molecular mechanisms of the cancer-promoting effects of capsaicin are not clear and remain controversial, the new research has shown a definite connection to formation of skin cancer through various laboratory studies. ... > full story

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