http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Risk of heart and blood vessel disease may increase when a particular gene is switched off, according to preliminary research presented at the American Heart Association's Emerging Science Series Webinar. http://medicalxpress.com/news/2013-06-genetic-linked-factors-heart-disease.html Cardiology Wed, 19 Jun 2013 13:00:07 EST news290865203 Helping to protect newborns and older patients against more severe effects of jaundice is the hope of University of Guelph researchers, who have shown how a liver enzyme protects cells from damage caused by the condition. http://medicalxpress.com/news/2013-06-discovery-treatments-jaundice.html Medical research Mon, 10 Jun 2013 04:39:53 EST news290057945 (HealthDay)—The first medication to treat diarrhea in people with HIV/AIDS who take antiretroviral drugs has been approved by the U.S. Food and Drug Administration. http://medicalxpress.com/news/2013-01-fulyzaq-art-related-diarrhea-hivaids.html Medications Thu, 03 Jan 2013 10:32:00 EST news276431502 For nearly a decade, breast cancer researchers studying the hormone therapy tamoxifen have been divided as to whether genetic differences in a liver enzyme affect the drug's effectiveness and the likelihood breast cancer will recur. A new study by researchers from the Mayo Clinic Cancer Center and the Austrian Breast and Colorectal Cancer Study Group provides evidence that genetic differences in the enzyme CYP2D6 play a key role in how well tamoxifen works. http://medicalxpress.com/news/2012-12-ability-metabolize-tamoxifen-affects-breast.html Cancer Thu, 27 Dec 2012 13:16:43 EST news275836596 (HealthDay)—Xeljanz (tofacitinib) has been approved by the U.S. Food and Drug Administration to treat symptoms of rheumatoid arthritis (RA) among people who can't tolerate, or haven't been helped by, the drug methotrexate. http://medicalxpress.com/news/2012-11-xeljanz-rheumatoid-arthritis.html Arthritis & Rheumatism Wed, 07 Nov 2012 15:08:08 EST news271523281 Have you ever wondered why some people find it so much easier to stop smoking than others? New research shows that vulnerability to smoking addiction is shaped by our genes. http://medicalxpress.com/news/2012-09-genetics-addictions-genes-brain-reaction.html Genetics Tue, 11 Sep 2012 12:56:18 EST news266586971 A new study published Wednesday cast doubt on the usefulness of a genetic test for patients taking the anti-coagulant drug Plavix, calling into question last year's FDA warning about the blood thinner. http://medicalxpress.com/news/2011-12-genetic-plavix-unneeded.html Medications Thu, 29 Dec 2011 05:00:56 EST news244357237 Statins safely reduce the risk of cardiovascular illness even years after treatment is stopped, according to a probe into the popular cholesterol-busters published on Wednesday. http://medicalxpress.com/news/2011-11-heart-disease-long-term-benefit-statins.html Cardiology Wed, 23 Nov 2011 05:22:24 EST news241248125