Humans, Chimpanzees and Monkeys Share DNA but Not Gene Regulatory Mechanisms

Posted by Vicrram Theipanaathan on Wednesday, November 7, 2012 In : Health 

Chimpanzee. Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior. (Credit: © davemhuntphoto / Fotolia)
 Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior.

DNA factors that contribute to the differences...


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Therapy for Stroke Patients Improved: More Mobility Due to Deafferentation

Posted by Vicrram Theipanaathan on Tuesday, November 6, 2012 In : Health 
Painkilling drugs that make many therapies possible are a blessing for patients. Thanks to modern anesthetics, not only can surgical operations be conducted without causing pain, they are also used for various diagnostic procedures. Anesthetics can be very useful in therapies for stroke patients, as psychologists and physicians of the Friedrich Schiller University Jena (Germany) and the University Hospital Jena are now able to demonstrate.

In the Journal of Neuroscience the researchers present...


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Obese Dogs at Risk of Health Condition Experienced by Humans

Posted by Vicrram Theipanaathan on Monday, November 5, 2012 In : Health 
Veterinary scientists at the University of Liverpool have found that, like humans, obese dogs can experience metabolic syndrome, a condition that describes multiple health issues that occur in the body at the same time.

The condition occurs when a number of health problems, such as increased blood glucose and increased cholesterol levels, develop together, with the potential to increase the risk of other diseases, such as cardiovascular disease and diabetes.

Although canine obesity is known to ...


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Plant-Based Foods May Offer Reduced Risk for Aggressive Prostate Cancer

Posted by Vicrram Theipanaathan on Saturday, November 3, 2012 In : Health 
President George W. Bush made no secret that he detested broccoli. With all due respect to our former leader, researchers have found one more great reason to add fruits, vegetables, herbs and tea to your diet.

A study by Susan Steck of the Arnold School of Public Health finds that a high intake of flavonoids, a group of compounds found in plants, may lower the risk for highly aggressive prostate cancer.

"Incorporating more plant-based foods and beverages, such as fruits, vegetables, herbs and t...


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Couple of Weekly Portions of Oily Fish Can Help Ward Off Stroke; But Fish Oil Supplements Don't Have the Same Effect, Study Finds

Posted by Vicrram Theipanaathan on Thursday, November 1, 2012 In : Health 

Mackerel fish on ice. (Credit: © Alexander Raths / Fotolia) Eating at least two servings of oily fish a week is moderately but significantly associated with a reduced risk of stroke, finds a study published on the British Medical Journal website.But taking fish oil supplements doesn't seem to have the same effect, say the researchers.

Regular consumption of fish and long chain omega 3 fatty acids has been linked with a reduced risk of coronary heart disease and current guidelines recommend ea...


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Every Single Junk Food Meal Damages Your Arteries, New Study Reveals

Posted by Vicrram Theipanaathan on Wednesday, October 31, 2012 In : Health 

A single meal -- composed mainly of saturated fat -- is detrimental to the health of the arteries, while no damage occurs after consuming a Mediterranean meal rich in good fats such as mono-and polyunsaturated fatty acids. The high saturated fat meal testing in the study consisted of a sandwich made of a sausage, an egg, and a slice of cheese, and three hash browns, for a total of 58% of total calories from fat: extremely rich in saturated fatty acids and containing no omega-3s. (Credit: © G...

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Size Does Matter in Sexual Selection, at Least Among Beetles

Posted by Vicrram Theipanaathan on Monday, October 29, 2012 In : Health 

A pair of seed beetles demonstrating sexual selection. (Credit: Image courtesy of University of Cincinnati)
 A new collaborative project among researchers from Uppsala University in Sweden and the University of Cincinnati has, for the first time, demonstrated experimentally the evolutionary force behind the rapid evolution of male genitals, focusing on a species of seed beetle.

This mechanism is revealed in a study published October 25 in the scientific journal Current Biology. The experiments ...


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Fishy Physics: Adaptation Lets Silvery Fish Reflect Light Without Polarization, May Help Them Evade Predators

Posted by Vicrram Theipanaathan on Sunday, October 28, 2012 In : Health 
Silvery fish such as herring, sardine and sprat have evolved special skin that gets around a basic law of physics, according to new research from the University of Bristol published Oct. 21 in Nature Photonics.

Reflective surfaces polarize light, a phenomenon that fishermen or photographers overcome by using polarizing sunglasses or polarizing filters to cut our reflective glare. However, PhD student Tom Jordan and his supervisors Professor Julian Partridge and Dr Nicholas Roberts in Bristol's...


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Solving Stem Cell Mysteries

Posted by Vicrram Theipanaathan on Sunday, October 28, 2012 In : Health 
The ability of embryonic stem cells to differentiate into different types of cells with different functions is regulated and maintained by a complex series of chemical interactions, which are not well understood. Learning more about this process could prove useful for stem cell-based therapies down the road. New research from a team led by Carnegie's Yixian Zheng zeroes in on the process by which stem cells maintain their proper undifferentiated state.

Their results are published in CellOctobe...


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Infertility: How Can Ovulation Function Be Restored?

Posted by Vicrram Theipanaathan on Friday, October 26, 2012 In : Health 
 It is well known that breast feeding increases the secretion of the prolactin hormone and inhibits ovulation in women. This prevents the onset of a new pregnancy too soon, and so breast feeding was used in the past as a method of contraception. In addition to this physiological condition, there are many other pathological conditions in which the production of prolactin is increased. One of the most frequent is the existence of tumours that induce an over-secretion of this hormone. These wome...
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