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Scientific American - Objets Actus

Ted Kennedy Diagnosed with Malignant Brain Tumor [News]
Mardi 20 Mai 2008 - 15:00 - 6 mois, 2 semaines depuis - Cancer - Scientific American
The hospital where veteran Democratic Sen. Edward Kennedy has been recuperating following a seizure revealed today that the Massachusetts lawmaker has a malignant brain tumor. [More]

Study Says Carbon Nanotubes as Dangerous as Asbestos [News]
Mardi 20 Mai 2008 - 13:00 - 6 mois, 2 semaines depuis - Cancer - Scientific American
Inhaling carbon nanotubes could be as harmful as breathing in asbestos, and its use should be regulated lest it lead to the same cancer and breathing problems that prompted a ban on the use of asbestos as insulation in buildings, according a new study posted online today by Nature Nanotechnology. [More]

New Breast Cancer Treatments Help Sufferers Gain Ground [Scientific American Magazine]
Dimanche 18 Mai 2008 - 22:00 - 6 mois, 2 semaines depuis - Cancer - Scientific American
Breast cancer is the most commonly diagnosed malignancy among women and, after lung cancer, the second leading cause of cancer-related deaths in North America. Yet unlike the survival rate for individuals diagnosed with lung cancer, the rate for women diagnosed with breast cancer has been rising dramatically over the past decade--to the point where breast cancer could soon lose its ranking as the second-greatest cancer killer. Nothing would delight clinicians like us more.This improvement in overall outlook for women diagnosed with breast cancer is attributable in part to earlier detection, which results from greater awareness of, and access to, regular breast screening. But breast cancer patients are also benefiting from accelerated research that has led to a much better understanding of the disease and a wider variety of treatment choices that doctors can mix and match to tailor therapy for a particular patient. In just the past decade, it has even become possible to target drugs to specific molecules within tumors that help to drive the disease. [More]

Fasting May Bolster Healthy Cells' Resistance to Chemo Toxins [News]
Mercredi 02 Avril 2008 - 08:00 - 8 mois depuis - Cancer - Scientific American
The old adage "feed a cold, starve a fever" may need be updated to feed a cold, starve a fever--and kill a tumor. [More]

How Do Tumors Spread? Scientists and Engineers Team Up to Solve Mystery [News]
Mercredi 12 Mars 2008 - 14:00 - 8 mois, 3 semaines depuis - Cancer - Scientific American
Nine out of every 10 cancer deaths occur because the disease has spread. Yet metastasis is the most poorly understood process in cancer biology. [More]

Web Features: Plastic (Not) Fantastic: Food Containers Leach a Potentially Harmful Chemical
Mardi 19 Février 2008 - 08:00 - 9 mois, 2 semaines depuis - Cancer - Scientific American
Bisphenol A (BPA) is a ubiquitous compound in plastics. First synthesized in 1891, the chemical has become a key building block of plastics from polycarbonate to polyester; in the U.S. alone more than 2.3 billion pounds (1.04 million metric tons) of the stuff is manufactured annually.

Scientific American Magazine: Solving a Massive Worker Health Puzzle
Dimanche 17 Février 2008 - 22:00 - 9 mois, 2 semaines depuis - Cancer - Scientific American
In John Shea and John Greco’s day, the cavernous Pratt & Whitney Aircraft plant was filled with an oily mist that sprayed from the grinding machines, coated the ceiling and covered the workers, who came home drenched in pungent machine oil. Degreasing pits, filled with solvent for cleaning the engine parts, dotted the factory floor; workers used squirt cans of solvent to clean their hands and clothes. Shea spent 34 years grinding engine blades and vanes at the million-square-foot facility in North Haven, Conn. In 1999, at age 56, he was diagnosed with brain cancer. Six months later Shea’s friend and co-worker Greco learned he had the same disease: glioblastoma multiforme, the most aggressive type of brain tumor. A year after Shea’s diagnosis, both men were dead, but their widows had already begun asking questions about the seemingly unusual number of cases of this deadly form of cancer at one of the world’s top jet-engine manufacturers.

News: Megavoltage CT Imaging Unlocks Fossil Mysteries
Vendredi 01 Février 2008 - 11:00 - 10 mois depuis - Cancer - Scientific American
Using a novel radiotherapy technology called helical tomotherapy--in essence, the marriage of a computerized tomography (CT) scanner and a radiotherapy linear accelerator--James Welsh, associate professor of medical physics and human oncology at the University of Wisconsin School of Medicine and Public Health, and a group of colleagues have created images of fossil specimens of various types and ages.

News: Tapping into the Cancer-Fighter Collective for Treatment
Vendredi 25 Janvier 2008 - 10:00 - 10 mois, 1 semaine depuis - Cancer - Scientific American
In an effort to improve cancer care, researchers today announced plans to create a giant database designed to allow oncologists and scientists to share vital information. The Cancer Institute of New Jersey (CINJ) and Rutgers University, both in New Brunswick, along with IBM are developing a computer system that allows physicians and researchers worldwide to tap into the latest developments in cancer research and treatment; they envision it as a tool that will help doctors tailor the best possible therapies for their patients and let scientists track the success--or failure--of previous research.

Web Features: Working around the Mendelians: A Q&A with Michael Wigler
Mercredi 16 Janvier 2008 - 22:01 - 10 mois, 2 semaines depuis - Cancer - Scientific American
When Michael Wigler saw researchers using classical genetic methods "breaking their teeth" on the underpinnings of autism, he took a different approach. By looking at large genetic events, he developed a unified theory of autism that would recharge the field.

Actus fournies par : Scientific American

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