In the News
Marked Brain Changes Afflict Even Senior Citizens Who Have Escaped Alz Our brains, unlike the skin covering our bodies, do not wrinkle and sag as we age. But new studies show that our brains do change structurally and functionally in ways that may underlie the memory and thinking impairments that can limit independence and quality of life for senior citizens. Neuroscientists have recently discovered that the region of the brain that stores episodic memories -- those for specific events and their context -- was less engaged in older people, particularly those who have a common variant of a particular gene. Researchers also have determined that senior citizens who suspect that their sense of direction is declining are astute observers of a newly discovered age-related mental change. Effective Treatment Found For Hepatitis C Patients With Low Blood-plat For patients with hepatitis C, having a low blood platelet count is a frequent complication associated with advanced disease. This problem is compounded by the fact that standard antiviral treatment for the disease can further reduce platelet numbers to dangerously low levels, effectively denying these patients the treatment they urgently need. A new drug, eltrombopag, appears to significantly boost platelet counts, opening the door to effective treatment. [Hero] Passengers stop bus from falling off bridge Passengers stopped a charter bus from plunging nearly 200 feet off a bridge after the driver collapsed, apparently from a heart attack. Research Finds People With Migraine Headaches Report More Angina, But People with a history of migraines and other headaches lasting at least four hours are more likely to report suffering from the chest pain doctors call angina than people who do not experience such headaches, a new University of North Carolina at Chapel Hill study concludes. That is especially true for those who also experience "aura"around the time of their headaches -- seeing what appear to be spots or lines before their eyes. United States v. Zacarias Moussaoui, Criminal No. 01-455-A: Trial Exhi "The following web pages link to all 1,202 exhibits admitted into evidence during the trial of U.S. v. Moussaoui, with the exception of seven that are classified or otherwise remain under seal. This is the first criminal case for which a federal court has provided access to all exhibits online."Includes transcripts and email messages, photos, images of evidence, audio and video files, and other materials. From the U.S. District Court, Eastern District of Virginia. Spinal cord injuries: Experimental drug may restore function of nerves Researchers have shown how an experimental drug might restore the function of nerves damaged in spinal cord injuries by preventing short circuits caused when tiny "potassium channels" in the fibers are exposed. [Ironic] An Italian pensioner committed suicide after his wife fell in Recalling the end of Romeo and Juliet, the 70-year-old man, Ettore, who had sat by his wife's bedside for four months after she slipped into a coma following a heart attack, finally gave up hope and gassed himself in the garage of his family home.Less than a day later, his wife, Rossana, woke up in her hospital bed in Padua and immediately asked for him. Uncovering DNA's 'Sweet' Secret How nature arrived at the final structure of DNA has been a long-standing mystery. Recently, Vanderbilt University Medical Center researcher Martin Egli and colleagues reported the X-ray crystal structure of homo-DNA, an artificial analog of DNA containing a six-carbon sugar in the backbone instead of the usual five-carbon sugar. The structure provides key insights into why nature might have 'preferred' the five-carbon sugars. 'CARS'Imaging Reveals Clues To Myelin Damage Researchers have discovered that calcium ions could play a crucial role in multiple sclerosis by activating enzymes that degrade the fatty sheath that insulates nerve fibers. Simulations Show How Growing Black Holes Regulate Galaxy Formation Using a new computer model of galaxy formation, researchers have shown that growing black holes release a blast of energy that fundamentally regulates galaxy evolution and black hole growth itself.
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