Anxiety & Stress Disorders

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Is violent behavior a proxy indicator for the relationship between severity of substance abuse and suicide risk? What has the strongest influence in promoting doubt about a delusion in a patient with schizophrenia? These questions and more.

Contrary to the popular belief that quitting increases anxiety, a recent study reports that stopping smoking can lift depression, decrease anxiety, and give quitters a sense of accomplishment during the period of abstinence.

Do patients with the personality trait alexithymia have trouble understanding the written language? What percentage of patients with dementia have at least one psychiatric comorbidity? These and more in this quiz.

The latest information released by the US Army reveals that last year American soldiers attempted suicide at the rate of about 5 /day. There were 160 successful suicides last year and during June the rate was 1/day. Military research has reported that one in 10 Iraq veterans may develop a severe case of PTSD.

Insurance restrictions sometimes make for strange bedfellows. My story begins with a phone call from a man about to lose his job. He said that he had been placed on probation and was about to be fired. He asked if he could see me. We met the following day.

Allen Frances, MD, identifies a number of concerns about the draft DSM5 revisions.1 Not mentioned in his commentary, but of significant concern, is a proposal that might subsume tic disorders under a new category called “Anxiety and Obsessive-Compulsive Disorders.”

Obesity has emerged as a significant threat to public health throughout the developed world. The World Health Organization defines overweight as a body mass index of 25.0 to 29.9 kg/m2 and obesity as a BMI of 30.0 kg/m2 or greater.1 Nearly two-thirds of Americans are overweight or obese according to these criteria.2 Numerous health problems, including diabetes, cardiovascular disease, arthritis, and cancer, are associated with obesity. In addition, overweight and obese persons are more likely than their normal-weight peers to have a variety of psychiatric disorders.

Since the time of Homer, warriors have returned from battle with wounds both physical and psychological, and healers from priests to physicians have tried to relieve the pain of injured bodies and tormented minds.1 The soldier’s heartache of the American Civil War and the shell shock of World War I both describe the human toll of combat that since Vietnam has been clinically recognized as posttraumatic stress disorder (PTSD).2 The veterans of Operation Iraqi Freedom (OIF) and of Operation Enduring Freedom (OEF) share with their brothers and sisters in arms the high cost of war. As of August 2009, there have been 4333 confirmed deaths of US service men and women and 31,156 wounded in Iraq. As of this writing, 796 US soldiers have died in the fighting in Afghanistan.3

Social anxiety disorder (SAD), also referred to as social phobia, is a chronic and potentially disabling anxiety disorder characterized by the intense and persistent fear of being scrutinized or negatively evaluated by others. At its core, people with this disorder fear and/or avoid the scrutiny of others. Symptoms may occur only in circumscribed situations, such as a fear of speaking in formal or informal situations, or eating or drinking in front of others.

Generalized anxiety disorder (GAD) is a prevalent, chronic, debilitating mental illness associated with marked impairment in daily functioning.1 An ongoing evolution of the definition of GAD has resulted in a bifurcation of the historical anxiety neurosis designation.2 A diagnosis of GAD currently implies chronic, excessive worry lasting at least 6 months and 3 of the possible 6 somatic or psychological symptoms (restlessness, fatigue, muscle tension, irritability, difficulty concentrating, and sleep disturbance).3 GAD typically presents in an episodic pattern of moderate improvement or remission and relapse characterized by a chronic and complicated clinical course.

The cardiovascular properties of serotonin (5-HT) have been known for some time-its name reflects its presence in serum and its action in increasing vascular tone. Serotonergic medications are routinely used to treat depressive and anxiety disorders, and the association of depression with cardiovascular disease has become well established.2 Recent studies have confirmed the colloquial wisdom that anxiety (especially panic) and hypertension are linked.

The 2 most common anxiety disorders are generalized anxiety disorder (GAD) and panic disorder. Approximately 5.7% of people in community samples will meet diagnostic criteria for GAD in their lifetime; the rate is about 4.7% for panic disorder (with or without agoraphobia).1 GAD-which is characterized by excessive and uncontrollable worry about a variety of topics (along with associated features such as trouble sleeping and impaired concentration)-is often chronic and is associated with significant costs to the individual and to society.

A combination of cognitive-behavioral therapy (CBT) and antidepressants to treat anxiety disorders in youngsters has yielded positive results in a government-funded study that was published online by the New England Journal of Medicine.1