http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. National Lung Screening Trial (NLST) investigators also conclude that the 20 percent reduction in lung cancer mortality with low-dose computed tomography (LDCT) versus chest X-ray (CXR) screening previously reported in the NLST primary paper is achievable at experienced screening centers in the United States. http://medicalxpress.com/news/2013-05-ct-lung-cancers-x-ray-screening.html Cancer Wed, 22 May 2013 17:04:17 EST news288461036 An international research team co-led by cancer prevention researcher Ulrike "Riki" Peters, Ph.D., M.P.H., and biostatistician Hsu Li, Ph.D., at Fred Hutchinson Cancer Research Center has identified variations in four genes that are linked to an increased risk of colorectal cancer. Peters and colleagues from 40 institutes throughout the world published their findings online ahead of the April print issue of Gastroenterology. http://medicalxpress.com/news/2013-02-variations-genes-colorectal-cancer.html Cancer Wed, 20 Feb 2013 14:07:59 EST news280591659 (HealthDay)—Men with prostate cancer taking the drug finasteride (Proscar) don't survive longer than similar men not taking the drug, a new study finds. http://medicalxpress.com/news/2013-02-proscar-wont-boost-prostate-cancer.html Cancer Fri, 15 Feb 2013 14:40:01 EST news280159776 In a column appearing in the current issue of the journal Nature, McLean Hospital biostatistician Nicholas Lange, ScD, cautions against heralding the use of brain imaging scans to diagnose autism and urges greater focus on conducting large, long-term multicenter studies to identify the biological basis of the disorder. http://medicalxpress.com/news/2012-11-brain-imaging-autism.html Autism spectrum disorders Fri, 02 Nov 2012 12:17:34 EST news271077435 Postdoctoral Research Fellow Devin Koestler is a biostatistician in the Geisel School of Medicine at Dartmouth. He develops and applies statistical methods to large volumes of data, seeking new approaches for understanding disease, cancer in particular. Koestler and his colleagues are investigating the potential use of white blood cell variation as a diagnostic, predictive, and research tool in the study of non-blood cancers. http://medicalxpress.com/news/2012-10-blood-cells-telltale-clues-cancer.html Cancer Fri, 12 Oct 2012 17:08:06 EST news269280478 (Medical Xpress)—Approx­i­mately 47 per­cent of the U.S. pop­u­la­tion reads below an eighth-​​grade level, but the per­centage is sig­nif­i­cantly greater among people using public mental-​​health ser­vices, according to Alisa Lin­coln, an asso­ciate pro­fessor of soci­ology and health sci­ences at North­eastern University. http://medicalxpress.com/news/2012-10-mental-illness-limited-literacy.html Psychology & Psychiatry Mon, 08 Oct 2012 07:28:11 EST news268900086 (Medical Xpress)—Most doctors treat Lyme disease with antibiotics for two to four weeks after diagnosis, but if symptoms persist after that, medical guidelines recommend against antibiotic retreatment. That recommendation may not be warranted. A newly published statistical review of the four studies upon which those guidelines are based reports flaws in design, analysis, and interpretation that call into question the strength of the evidence against retreatment. http://medicalxpress.com/news/2012-08-lyme-retreatment-guidance-flawed.html Diseases, Conditions, Syndromes Thu, 30 Aug 2012 13:26:42 EST news265551994 (HealthDay) -- Though prostate cancer makes the news a lot, much of the information seems conflicting or inconclusive, leaving men with few absolute answers. http://medicalxpress.com/news/2012-08-screening-debate-typifies-prostate-cancer.html Cancer Fri, 10 Aug 2012 10:10:03 EST news263812194 Despite the increasing awareness of the problem of obesity in the United States, most Americans don't know whether they are gaining or losing weight, according to new research from the Institute for Health Metrics and Evaluation at the University of Washington. http://medicalxpress.com/news/2012-08-americans-gaining-weight.html Overweight and Obesity Wed, 01 Aug 2012 11:12:14 EST news263038285 (HealthDay) -- Girls who receive radiation to the chest to treat childhood cancer, even those getting lower doses, have a high risk of developing breast cancer at a young age, according to a new study. http://medicalxpress.com/news/2012-06-chest-girls-greater-early-breast.html Cancer Mon, 04 Jun 2012 09:12:21 EST news258019931 Feelings of burnout persist among internal medicine residents despite significant cutbacks in duty hours for doctors-in-training in recent years, a national study by Mayo Clinic found. http://medicalxpress.com/news/2011-09-mayo-clinic-widespread-medical-resident.html Other Tue, 06 Sep 2011 16:47:07 EST news234546372