Information and opinions on health from italiangm at HealthCentral.com. HealthCentral.com is one of the top health destinations on the Web, with more than 35 condition-specific, wellness and general health Web properties. http://www.healthcentral.com/profiles/c/683441/index http://www.healthcentral.com/profiles/c/683441/rss self application/xml en-us 15 120 19 http://www.healthcentral.com/images/hc_logo_sm.gif http://www.healthcentral.com/profiles/c/683441/index http://www.healthcentral.com/anxiety/c/683441/144910/misconception Sat, 01 Oct 2011 12:44:31 -0400 italiangm I often see replies about how long a drug can be detected, listing the half life and clearance time of xanax and other drugs.   Half life and clearance values are primarily useful for determining the likelihood of drug interactions.   Example 1: An ER doc asks what drugs patients have taken, when, and how much to make effective decisions about administering other drugs. Example 2: Your psychiatrist or primary care doc uses this... http://www.healthcentral.com/anxiety/c/683441/144910/misconception http://www.healthcentral.com/anxiety/c/683441/130721/fearful-disorder Wed, 02 Feb 2011 13:58:05 -0500 italiangm A subset of panic disorder where symptoms/attacks occur without being triggered by fear/phobia. Symptoms/attacks are described as intense discomfort, accompanied by at least four of the 12 symptoms listed under the DSM definition for panic disorder. However, the symptoms of free-floating anxiety, fear of dying, fear of going crazy, or fear of losing control are noticeably absent.Note: My initial panic attacks were triggered by emotional and... http://www.healthcentral.com/anxiety/c/683441/130721/fearful-disorder