Anxiety

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 ...

Sep 16, 2014
popularity 3.5 / 5 (4) | comments 0

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
popularity 1.9 / 5 (27) | comments 5

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 ...

Sep 17, 2014
popularity 2.7 / 5 (11) | comments 4

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..

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

Screen women for chlamydia, gonorrhea, experts say

(HealthDay)—All sexually active women should be screened for two of the most common sexually transmitted infections: chlamydia and gonorrhea, according to new recommendations from the U.S. Preventive Services ...

Noninvasive devices may help migraines, FDA says

(HealthDay)—Two new prescription devices approved by the U.S. Food and Drug Administration (FDA) may provide some relief for people with migraine headaches who don't tolerate migraine medications well, ...

Airway muscle-on-a-chip mimics asthma

The majority of drugs used to treat asthma today are the same ones that were used 50 years ago. New drugs are urgently needed to treat this chronic respiratory disease, which causes nearly 25 million people ...

Gene mutation discovered in blood disorder

An international team of scientists has identified a gene mutation that causes aplastic anemia, a serious blood disorder in which the bone marrow fails to produce normal amounts of blood cells. Studying a family in which ...