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New tool calculates risk of bleeding in heart attack patients

St. Louis -- With eight basic medical facts in hand, doctors can now estimate the risk of bleeding for a patient having a heart attack. Using clinical variables, researchers at Washington University School of Medicine in St.

Imagine this: Study suggests power of imagination is more than just a metaphor

We've heard it before: "Imagine yourself passing the exam or scoring a goal and it will happen." We may roll our eyes and think that's easier said than done, but in a new study in Psychological Science, a journal of the Association for Psychological Science, psychologists Christopher Davoli and Richard Abrams from Washington University suggest that the imagination may be more effective t

Test quickly assesses whether Alzheimer's drugs are hitting their target

A test developed by physician-scientists at Washington University School of Medicine in St. Louis may help assess more quickly the ability of Alzheimer's drugs to affect one of the possible underlying causes of Alzheimer's disease in humans, accelerating the development of new treatments.

Heartburn medications do not ease asthma symptoms

St. Louis, MO -- The predominance of heartburn among asthma sufferers led many specialists to suspect that acid reflux could be a trigger for the coughing, wheezing and breathlessness of asthma. In fact, it has become standard practice to prescribe heartburn medication to people with poorly controlled asthma, even if they don't have overt acid reflux symptoms.

Artificial pump effectively backs up failing hearts

Patients with severe heart failure can be bridged to eventual transplant by a new, smaller and lighter implantable heart pump, according to a just-completed study of the device. Results of this third-generation heart assist device were reported at the 58th annual meeting of the American College of Cardiology on March 30.

TV crime drama compound highlights immune cells' misdeeds

St. Louis, March 20, 2009 -- Detectives on television shows often spray crime scenes with a compound called luminol to make blood glow. Researchers at Washington University School of Medicine in St. Louis have applied the same compound to much smaller crime scenes: sites where the immune system attacks the body's own tissues.

Blocking protein may help ease painful nerve condition

March 13, 2009 -- Scientists have identified the first gene that pulls the plug on ailing nerve cell branches from within the nerve cell, possibly helping to trigger the painful condition known as neuropathy.

Well-known enzyme is unexpected contributor to brain growth

March 11, 2009 -- An enzyme researchers have studied for years because of its potential connections to cancer, diabetes, heart disease, hypertension and stroke, appears to have yet another major role to play: helping create and maintain the brain.

Brain damage found in cognitively normal people with Alzheimer's marker

Researchers at Washington University School of Medicine in St. Louis have linked a potential indicator of Alzheimer's disease to brain damage in humans with no signs of mental impairment.

The difference between eye cells SUMO?

Researchers at the Johns Hopkins University School of Medicine and Washington University School of Medicine have identified a key to eye development -- a protein that regulates how the light-sensing nerve cells in the retina form. While still far from the clinic, the latest results, published in the Jan.

Depression increases risk for heart disease more than genetics or environment

A history of major depression increases the risk of heart disease over and above any genetic risks common to depression and heart disease, according to researchers at Washington University School of Medicine in St. Louis and the VA. The findings are reported this week at the annual meeting of the American Psychosomatic Society this week in Chicago.

Stroke treated significantly faster and just as safely by medical residents

Diagnosing acute stroke is a high-pressure decision. The speed with which treatment is delivered makes all the difference. Early treatment can stop brain damage, but if treatment is given inappropriately, it can dangerously increase the risk of bleeding in the brain.

Carefree people care less about cancer symptoms, endanger health

A little anxiety can be a good thing when it comes to cancer symptoms according to researchers at Washington University School of Medicine in St. Louis. They report that people with low overall anxiety levels were more apt to ignore symptoms of rectal cancer for long periods of time, thereby delaying treatment. In contrast, people with at least moderate levels of anxiety tended to quickly recognize symptoms such as rectal bleeding as a sign of serious illness.

Brain tumor study reveals why treatment efforts fail in genetic disorder

Drugs used to treat the tumors common in people with a disorder called neurofibromatosis 1 rarely work, and scientists now know why. The chemotherapy drugs target a group of related proteins, call RAS proteins, which are thought to be responsible for these tumors. But researchers at Washington University School of Medicine in St. Louis found that the disease affects only one member of the protein family, and it happens to be the one form of RAS that does not respond well to these particular treatments.

Scientists: Fur, head hair not the same

Mammals have fur over most of their bodies, but at some point during evolution, we humans lost that fur covering. Researchers at Washington University School of Medicine in St. Louis argue that hair on the head is somehow different from fur because fur stops growing when it reaches a certain length, but our head hair continues to grow. To drive home their argument, they ask in a recent article in the journal Evolutionary Anthropology, "Have you ever seen a chimpanzee getting a haircut?"



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