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Anxiety may cause physical and cognitive symptoms, such as restlessness, irritability, easy fatigue, difficulty concentrating, increased heart rate, chest pain, abdominal pain, and a variety of other symptoms that may vary based on the individual. [2] In casual discourse, the words anxiety and fear are often used interchangeably.
Nyctophobia produces symptoms beyond the normal instinctive parameters, such as breathlessness, excessive sweating, nausea, dry mouth, feeling sick, shaking, heart palpitations, inability to speak or think clearly or sensation of detachment from reality and death. Nyctophobia can be severely detrimental physically and mentally if these symptoms ...
Anxiety is an emotion characterised by an unpleasant state of inner turmoil and includes feelings of dread over anticipated events. [1] [2] [3] Anxiety is different from fear in that fear is defined as the emotional response to a present threat, whereas anxiety is the anticipation of a future one. [4]
Fear is an unpleasant emotion that arises in response to perceived dangers or threats.Fear causes physiological and psychological changes. It may produce behavioral reactions such as mounting an aggressive response or fleeing the threat, commonly known as the fight-or-flight response.
The term is a piece of computer humor entered into the 1981 The Devil's DP Dictionary. [49] Anatidaephobia – the fictional fear that one is being watched by a duck. The word comes from the name of the family Anatidae, and was used in Gary Larson's The Far Side. [50] Anoraknophobia – a portmanteau of "anorak" and "arachnophobia".
A phobia is an anxiety disorder, defined by an irrational, unrealistic, persistent and excessive fear of an object or situation. [7] [8] [9] [1] Phobias typically result in a rapid onset of fear and are usually present for more than six months. [1]
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These physical symptoms are interpreted with alarm in people prone to panic attacks. This results in increased anxiety and forms a positive feedback loop, meaning that the more a person experiences symptoms associated with a panic attack, the more they experience feelings of anxiety which serve to worsen their panic attacks. [20]