Anxiety / Stress News From Medical News Today
Swedish and British scientists have shown using functional magnetic resonance imaging (fMRI) that the hormone oxytocin can inhibit feelings of anxiety in specific individuals. Their discovery might lead to a better understanding and the improved treatment of psychiatric affections in which people feel distressed when meeting others, such as in cases of autism and social phobia.
Anxiety is a normal human response to stress, but in some, it can develop into a disabling disorder of excessive and irrational fears, such as obsessive-compulsive disorder, panic disorder, or posttraumatic stress disorder. Effective treatments are available and can involve either behavioral therapy or medications. Although "it makes intuitive sense that combining these two treatments would result in even better results," David Tolin, Ph.D.
1. Hodgkin CHuxley Model of Backpropagating Spikes Yuguo Yu, Yousheng Shu, and David A. McCormick Axon potentials recorded in somata of pyramidal neurons in vivo have a fast rising phase and variable threshold, contrary to predictions of the Hodgkin¨CHuxley model. Some have suggested that this difference is due to cooperativity among sodium channels, resulting in many channels opening simultaneously. Yu et al.
A person's heart rate can reveal a lot about how they make decisions when feeling stressed, a Queensland University of Technology academic says. Economics Associate Professor Uwe Dulleck, from the QUT Business Faculty, said stress in the workplace wasn't necessarily a bad thing, because it was, in fact, a natural reaction that had been given a negative connotation.
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The National Institute of Mental Health estimates that in any given year, about 40 million adults (18 or older) will suffer from some form of anxiety disorder, including debilitating conditions such as phobias, panic disorders and post-traumatic stress disorder (PTSD). It is estimated that nearly 15 percent of U.S. soldiers returning from Iraq and Afghanistan develop PTSD, underscoring the urgency to develop better treatment strategies for anxiety disorders.
The brain is the key organ in the response to stress. Brain reactions determine what in the world is threatening and might be stressful for us, and regulate the stress responses that can be either adaptive or maladaptive. Chronic stress can affect the brain and lead into depression: Environmental stressors related to job or family situation are important triggers of depressive episodes and major life events such as trauma or abuse amongst the most potent factors inducing depression.
Violence is common between partners, friends, and acquaintances both before and during college, according to a study released on July 7, 2008 in the Archives of Pediatrics and Adolescent Medicine, one of the JAMA/Archives journals. Several life chances occur in the transition from living at home to the college environment, including a significant decrease in parental monitoring, a modified social support system, relative isolation.
