http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Energy drinks may increase blood pressure and disturb your heart's natural rhythm, according to research presented at the American Heart Association's Epidemiology and Prevention/Nutrition, Physical Activity and Metabolism 2013 Scientific Sessions. http://medicalxpress.com/news/2013-03-energy-blood-pressure-disturb-heart.html Cardiology Thu, 21 Mar 2013 16:00:01 EST news283096150 A 2011 warning from the U.S. Food and Drug Administration about the popular antidepressant citalopram (Celexa) left many patients and physicians with more questions than answers. Now an analysis of the medical records of more than 38,000 patients by Massachusetts General Hospital (MGH) investigators clarifies the contribution of citalopram and other antidepressants to lengthening of the QT interval, an aspect of the heart's electrical activity that – when prolonged – may increase the risk of dangerous arrhythmias. The study supported the FDA's warning that higher doses of citalopram were associated with a prolonged QT interval but also found that the effects of some other antidepressants were quite different. http://medicalxpress.com/news/2013-01-antidepressant-contribution-arrhythmia.html Medications Tue, 29 Jan 2013 18:30:02 EST news278676697 (HealthDay) -- In a follow-up to a warning that high doses of the popular antidepressant Celexa can cause potentially fatal abnormal heart rhythms, the U.S. Food and Drug Administration has issued new dosing and use recommendations. http://medicalxpress.com/news/2012-03-fda-antidepressant.html Medications Wed, 28 Mar 2012 13:20:02 EST news252158907