Anxiety

Emotions in the brain

This year has been a busy one for biologist David Anderson, Caltech's Seymour Benzer Professor of Biology. In 2014 alone, Anderson's lab has reported finding neurons in the male fly brain that promote fighting and, in the mouse brain, identified a "se ...

3 hours ago
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Experts discuss communications gap on vaccines

The number of parents who refuse to vaccinate their children is on the rise, and with it the incidence of preventable diseases such as measles. The health community could reverse the trend by doing a better ...

3 hours ago
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Optogenetics has 'completely changed neuroscience'

It's getting harder to find the line between science and science fiction. One of the hot research techniques these days, "optogenetics," uses gene therapy to deliver light-sensitive proteins to specific cells. Then researchers ...

22 hours ago
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Marijuana users who feel low get high

Adolescents and young adults who smoke marijuana frequently may attempt to manage negative moods by using the drug, according to a study in September's Journal of Studies on Alcohol and Drugs.

Sep 15, 2014
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Top 5 back-to-school tips for your oral health

It's that time of year again: back-to-school and back to the books. While you're busy buying your texts at the Dal Bookstore and getting organized for (and, sometimes, stressed out about) your classes, your ...

Sep 12, 2014
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Study links vitamin D to quality of life

Canadians wait for it every year: the annual flight of the snowbirds in winter. Could there be an underlying health reason these birds take flight to sunnier climates? A researcher at the University of Alberta ...

Sep 12, 2014
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Anxiety (also called angst or worry) is a psychological and physiological state characterized by somatic, emotional, cognitive, and behavioral components. It is the displeasing feeling of fear and concern. The root meaning of the word anxiety is 'to vex or trouble'; in either presence or absence of psychological stress, anxiety can create feelings of fear, worry, uneasiness, and dread. Anxiety is considered to be a normal reaction to a stressor. It may help an individual to deal with a demanding situation by prompting them to cope with it. When anxiety becomes excessive, it may fall under the classification of an anxiety disorder..

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