In the News
Autism Linked To Mirror Neuron Dysfunction
Seeing is doing -- at least it is when mirror neurons are working normally. But in autistic individuals, say researchers from the University of California, San Diego, the brain circuits that enable people to perceive and understand the actions of others do not behave in the usual way. [Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedly delivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind." Toxic Milk: Key Protein Affects Quality Of Maternal-infant Nutrition
Scientists discovered that mutations in the mouse gene encoding PPAR³adversely affect lactation milk quality, and have serious health consequences for nursing pups. Ingestion of this "toxic milk"sets off an inflammatory response in the skin of nursing pups, which ultimately disrupts the hair growth cycle and renders them largely bald. Blood Clotting Protein Linked To Rheumatoid Arthritis
A protein involved in blood clotting (fibrin), also plays an important role in the development of rheumatoid arthritis. Inflammatory joint disease appears to be driven by the engagement of inflammatory cells with fibrin matrices through a specific integrin receptor, aMD2. Researchers suggest that therapies designed to interrupt the localized interaction of inflammatory cells and fibrin may help arthritis patients. UVa Health System Doctors Study Surgery To Stop Epileptic Seizures
Neurologists and neurosurgeons at UVa are participating in a multicenter clinical trial to evaluate whether epilepsy surgery is more effective than drugs to eliminate seizures in newly diagnosed patients. More than 2.3 million Americans have epilepsy, a rhythmic, electrical 'storm' in the brain that brings on seizures, ranging from mild to severe depending on the location of the storm. Sight Can Recover Quickly In Amblyopia
New research findings led by Thomas Krahe and Ary S. Ramoa of Virginia Commonwealth University School of Medicine offer two pieces of good news for treating children with amblyopia. First, the researchers have found evidence that the neural wiring in the brain's visual system is not dismantled by visual deprivation -- for example, due to a cataract -- during what is known as the "critical period"of vision development. Rather, the wiring is merely deactivated, capable of being rapidly reactivated when vision is restored. Use Of Diabetes Medication By Older Adults Linked With Increased Risk
Older patients treated with the diabetes medications known as thiazolidinediones (which include rosiglitazone) had a significantly increased risk of heart attack, congestive heart failure and death, compared with the use of other hypoglycemic drugs, according to a study in the Dec. 12 issue of JAMA. The authors suggest that these results provide further evidence that this class of medication may cause more harm than good. Love the Leak, Hate the Leaker?
Congress considers protecting journalists from being forced to reveal their sources, while punishing government workers who leak secrets to reporters. Here's why that schizophrenic approach actually makes sense. Commentary by Jennifer Granick. Why Do Humans And Primates Get More Stress-related Diseases Than Other
Why do humans and their primate cousins get more stress-related diseases than any other member of the animal kingdom? The answer, says Stanford University neuroscientist Robert Sapolsky, is that people, apes and monkeys are highly intelligent, social creatures with far too much spare time on their hands. Toward Pinpointing The Location Of Bacterial Infections
In an advance in the emerging field of bacterial imaging, scientists are reporting development of a method for identifying specific sites of localized bacterial infections in living animals.
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