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Combining oxygen with radiation therapy decelerates many cancer tumors
Date: Jul-26-2013A multidisciplinary team at UT Southwestern Medical Center has found that measuring the oxygenation of tumors can be a valuable tool in guiding radiation therapy, opening the door for personalized therapies that keep tumors in check with oxygen enhancement. In research examining tissue oxygenation levels and predicting radiation response, UT Southwestern scientists led by Dr...
What is the difference between food allergy and food intolerance?
Date: Jul-25-2013Food allergy is completely different from food intolerance. A food allergy involves an immune system response, food intolerance does not. If you have food intolerance you cannot properly digest a substance in certain foods, often because you have an enzyme deficiency. Food allergy has nothing to do with enzyme deficiency. Below is a list of features associated with either a food allergy or intolerance: Onset of symptoms Food allergy symptoms appear soon after eating the culprit food. Food intolerance symptoms appear later...
Experimental drug tackles both HIV and genital herpes
Date: Jul-25-2013Scientists are developing a drug that may be effective in treating two sexually transmitted infections at once - HIV and genital herpes - as well as potentially preventing the spread of HIV from one person to another. Researchers from the University of Leuven (KU Leuven) in Belgium say the experimental drug, dubbed PMEO-DAPym, can tackle both HIV (human immunodeficiency virus) and HSV (herpes simplex virus). The drug can prevent HIV from multiplying, making the cells targeted by the virus less susceptible to infection...
What is food intolerance? What causes food intolerance?
Date: Jul-25-2013Food intolerance, also known as non-IgE mediated food hypersensitivity or non-allergic food hypersensitivity, refers to difficulty in digesting certain foods. Food intolerance is different from food allergy. Food allergy triggers the immune system, while food intolerance does not. Some people suffer digestive problems after eating certain foods even though their immune system has not reacted - there is no histamine response...
Planting false memories is possible, say neuroscientists
Date: Jul-25-2013Have you ever recalled a memory and wondered if it actually happened? It sounds like something from a science fiction film, but a team of neuroscientists from MIT have demonstrated an ability to implant false memories into mice brains. A study published today in Science reports the team's findings. Along with the ability to create fictitious recollections, the researchers also discovered that, neurologically speaking, traces of the false memories are dead ringers for authentic memories...
Could your 3D printer make you ill?
Date: Jul-25-2013Commercially available desktop 3D printers emit potentially harmful nano-sized particles into indoor air, according to researchers at the Illinois Institute of Technology. The researchers, who have published their work in the journal Atmospheric Environment, say inhaling a high amount of these particles has been associated with adverse health conditions, such as asthma and cardiorespiratory illnesses, and studies have linked elevated ultrafine particle (UFP) concentrations with increased hospital admissions for stroke...
Potential for a faster, simpler diagnosis for fibromyalgia using a finger-stick blood sample
Date: Jul-25-2013Researchers have developed a reliable way to use a finger-stick blood sample to detect fibromyalgia syndrome, a complicated pain disorder that often is difficult to diagnose. If it were someday made available to primary care physicians, the test could knock up to five years off of the wait for a diagnosis, researchers predict. In a pilot study, the scientists used a high-powered and specialized microscope to detect the presence of small molecules in blood-spot samples from patients known to have fibromyalgia...
More people beating skin cancer - UK report
Date: Jul-25-2013Cancer Research UK says more and more people are surviving malignant melanoma, the most dangerous form of skin cancer. Their latest statistics, published online this week, reveal that more than 8 in 10 people diagnosed with malignant melanoma will now survive the disease. Forty years ago, the survival rate was only around 5 in 10. The charity says the improvement is most likely due to better treatments and earlier diagnosis, and also because people are more aware of the symptoms...
Cat allergy discovery promises new treatments
Date: Jul-25-2013New research led by the University of Cambridge in the UK has discovered the reason for the extreme immune reaction in some people who are allergic to cats. A study published online this week in the Journal of Immunology explains how the cat allergen Fel d 1 triggers an immune receptor that is also involved in allergic responses to dust mites. Lead author Dr. Clare Bryant, from Cambridge's Department of Veterinary Medicine, told the press: "We are hopeful that our research will lead to new and improved treatments for cat and possibly dog allergy sufferers...
High levels of a specific enzyme in mice fetuses linked to anxiety
Date: Jul-25-2013Mouse embryos with the human enzyme CYP2C19 in the brain develop a smaller hippocampus and anxiety-like behaviour as adults. The results of this new study, which is published in the journal Molecular Psychiatry, agree in principle with earlier genetic findings in humans, and can improve science's understanding of the genetic factors behind depression and anxiety disorders and contribute to the development of new anti-anxiety drugs. Scientists have long been searching for the genetic reasons for the great differences in sensitivity that people show towards depression and anxiety disorders...
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