http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Jewish survivors of World War II who were potentially exposed to the Holocaust are at a higher risk for cancer occurrence, according to a new study published online October 26 in the Journal of the National Cancer Institute. http://www.physorg.com/news175793717.html Medicine & Health Mon, 26 Oct 2009 17:00:09 EST news175793717 A relative utility curve is a simple method to evaluate risk prediction in a medical decision-making framework, according to a commentary published online October 20 in the Journal of the National Cancer Institute. http://www.physorg.com/news175276082.html Medicine & Health Tue, 20 Oct 2009 17:20:02 EST news175276082 Unexpectedly, inflammation markers do not appear to be involved with the chemopreventative effect of aspirin on colorectal adenomas, according to a brief communication published online October 12 in the Journal of the National Cancer Institute. http://www.physorg.com/news174585295.html Medicine & Health Mon, 12 Oct 2009 17:40:02 EST news174585295 For the first time, researchers at Fred Hutchinson Cancer Research Center have demonstrated that it is possible to successfully recruit and retain a large number of adolescent smokers from the general population into a smoking intervention study and, through personalized, proactive telephone counseling, significantly impact rates of six-month continuous quitting. These findings, by Arthur V. Peterson Jr., Ph.D., Kathleen A. Kealey and colleagues, are reported in a pair of papers in the Oct. 12 "Advance Access" online edition of the Journal of the National Cancer Institute. http://www.physorg.com/news174584678.html Medicine & Health Mon, 12 Oct 2009 16:46:01 EST news174584678 Women with increased levels of Müllerian inhibiting substance (MIS), best known for regulating in utero sexual differentiation in boys, may be at a greater risk for breast cancer, according to a new study published online October 9 in the http://www.physorg.com/news174325601.html Medicine & Health Fri, 09 Oct 2009 17:10:02 EST news174325601 Researchers propose a more efficient system using archived specimens for the evaluation of prognostic and predictive biomarkers in a new commentary published online October 8 in the Journal of the National Cancer Institute. http://www.physorg.com/news174238334.html Medicine & Health Thu, 08 Oct 2009 16:32:43 EST news174238334 Investing in some colorectal cancer screening programs could cut future, more expensive treatment costs in half, according to a new study published online September 24 in the Journal of the National Cancer Institute. The only screening program found not to be cost-saving was colonoscopy. http://www.physorg.com/news173030915.html Medicine & Health Thu, 24 Sep 2009 17:20:02 EST news173030915 The Merkel cell polyomavirus (MCPyV) is the only human polyomavirus known to be associated with a rare skin cancer, known as Merkel cell carcinoma, according to a new study published online September 23 in the Journal of the National Cancer Institute. http://www.physorg.com/news172944590.html Medicine & Health Wed, 23 Sep 2009 17:12:12 EST news172944590 The polyclonality of BRAF mutations in melanocytic nevi suggests that mutation of BRAF may not be an initial event in melanocyte transformation, according to a new brief communication published online September 14 in the Journal of the National Cancer Institute. http://www.physorg.com/news172166610.html Medicine & Health Mon, 14 Sep 2009 18:10:02 EST news172166610 A new study from Harvard School of Public Health (HSPH) and Brigham and Women's Hospital researchers has found a strong association between the common sexually transmitted infection, Trichomonas vaginalis, and risk of advanced and lethal prostate cancer in men. http://www.physorg.com/news171733197.html Medicine & Health Wed, 09 Sep 2009 16:40:33 EST news171733197 A third of the previously identified single-nucleotide polymorphisms, or SNPs, associated with prostate cancer in men of European or African ancestry were also associated with prostate cancer in a Japanese population, according to a new study published online September 2 in the Journal of the National Cancer Institute. http://www.physorg.com/news171136383.html Medicine & Health Wed, 02 Sep 2009 20:30:01 EST news171136383 The introduction of prostate-antigen screening, or PSA, has resulted in over 1 million additional men over the last 23 years being diagnosed and treated for prostate cancer -most of whom were likely overdiagnosed, researchers reported in a new study published online August 31 in the Journal of the National Cancer Institute. http://www.physorg.com/news170960468.html Medicine & Health Mon, 31 Aug 2009 18:20:02 EST news170960468 About three-quarters of women newly diagnosed with breast cancer have a friend or family member with them at their first visit with a surgeon. And that person plays a significant role in the patient's decision of what type of surgery to have, according to a new study from the University of Michigan Comprehensive Cancer Center. http://www.physorg.com/news170956792.html Medicine & Health Mon, 31 Aug 2009 17:05:12 EST news170956792 Breast cancer detection rates and sensitivity were higher, but so were false-positive rates, among mammography centers that offered clinical breast examination in addition to mammography, according to new study published online August 31 in the Journal of the National Cancer Institute. http://www.physorg.com/news170954852.html Medicine & Health Mon, 31 Aug 2009 16:40:01 EST news170954852 The racial disparity in prostate cancer stage at diagnosis has decreased statistically significantly over time, according to a brief communication published online August 27 in the Journal of the National Cancer Institute. http://www.physorg.com/news170609354.html Medicine & Health Thu, 27 Aug 2009 16:30:01 EST news170609354 Manipulating the functions of melanosomes--the organelles in pigment-producing cells--may enhance the activity of anticancer drugs used against melanoma, according to a new study published online August 24 in the Journal of the National Cancer Institute. http://www.physorg.com/news170351264.html Medicine & Health Tue, 25 Aug 2009 02:50:01 EST news170351264 Training methods for surgeons who perform breast cancer sentinel lymph node resection were found to be effective in almost 97% of surgeons assessed, according to a new study published online August 24 in the Journal of the National Cancer Institute. http://www.physorg.com/news170350491.html Medicine & Health Mon, 24 Aug 2009 20:40:02 EST news170350491 A preliminary evaluation of methylation of two gene promoters in fecal DNA showed promise as a noninvasive method to detect colorectal and gastric cancers, according to a new study published online August 21 in the Journal of the National Cancer Institute. http://www.physorg.com/news170093276.html Medicine & Health Fri, 21 Aug 2009 17:09:09 EST news170093276 A public survey conducted in Europe found that the vast majority of people overestimate the life-saving benefits of breast and prostate cancer screening, according to a new study published online August 12 in the Journal of the National Cancer Institute. http://www.physorg.com/news169212575.html Medicine & Health Tue, 11 Aug 2009 12:40:01 EST news169212575 From a health-care system perspective, it may be more efficient to use the drug cetuximab only in colorectal cancer patients whose tumors have a wild-type KRAS gene, according to a study published online August 7 in the Journal of the National Cancer Institute. http://www.physorg.com/news168929397.html Medicine & Health Sat, 08 Aug 2009 05:50:31 EST news168929397 Both combination and sequential single-agent chemotherapy are reasonable options to treat metastatic breast cancer, but the choice between the two should ultimately be based on patient- and disease-related factors, according to a new commentary published online August 5 in the Journal of the National Cancer Institute. http://www.physorg.com/news168715975.html Medicine & Health Wed, 05 Aug 2009 22:40:01 EST news168715975 Risk of human papillomavirus (HPV)-associated cancers is greater for people living with AIDS and increases with increasing immunosuppression, according to a new study published online July 31 in the Journal of the National Cancer Institute. http://www.physorg.com/news168281785.html Medicine & Health Fri, 31 Jul 2009 20:00:01 EST news168281785 With a novel therapeutic delivery system, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center has successfully targeted a protein that is over-expressed in ovarian cancer cells. Using the EphA2 protein as a molecular homing mechanism, chemotherapy was delivered in a highly selective manner in preclinical models of ovarian cancer, the researchers report in the July 29 issue of the Journal of the National Cancer Institute. http://www.physorg.com/news168106425.html Medicine & Health Wed, 29 Jul 2009 18:20:01 EST news168106425 Older people with a history of cancer are more likely to have disabilities and be frail and vulnerable than older adults who have not had cancer, according to a study in the Journal of the National Cancer Institute, published online July 29. http://www.physorg.com/news168105575.html Medicine & Health Wed, 29 Jul 2009 17:00:09 EST news168105575 Treating patients with thalidomide in combination with chemotherapy for small cell lung cancer (SCLC) did not improve their survival but did increase their risk of blood clots, according to a new study published online July 16 in the Journal of the National Cancer Institute. http://www.physorg.com/news166980848.html Medicine & Health Thu, 16 Jul 2009 16:34:43 EST news166980848 African Americans are more likely than other races to die from breast, prostate and ovarian cancers, but this disparity is not due to poverty or inferior healthcare, a first-of-its-kind study has found. http://www.physorg.com/news166204767.html Medicine & Health Tue, 07 Jul 2009 17:00:28 EST news166204767 Several statistical and biological issues need to be addressed in order to improve biomarker identification for early detection of cancer, according to a commentary published online July 2 in the Journal of the National Cancer Institute. http://www.physorg.com/news165770898.html Medicine & Health Thu, 02 Jul 2009 16:28:56 EST news165770898 The single-nucleotide polymorphism (SNP) known as 2q35-rs13387042 is associated with increased risk of estrogen receptor (ER) -positive and -negative breast cancer, according to a study published online July 1 in the Journal of the National Cancer Institute. http://www.physorg.com/news165687719.html Medicine & Health Thu, 02 Jul 2009 01:30:02 EST news165687719 Even under favorable assumptions, including lifelong protection against 70% of all cervical cancers and no side effects, vaccination against the human papillomavirus (HPV) is not cost-effective in the Netherlands, according to a study published online July 1 in the Journal of the National Cancer Institute. http://www.physorg.com/news165687075.html Medicine & Health Wed, 01 Jul 2009 18:20:01 EST news165687075 The decision to use expensive cancer therapies that typically produce only a relatively short extension of survival is a serious ethical dilemma in the U.S. that needs to be addressed by the oncology community, according to a commentary published online June 29 in the Journal of the National Cancer Institute. http://www.physorg.com/news165512649.html Medicine & Health Mon, 29 Jun 2009 16:44:38 EST news165512649