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Generalized anxiety disorder is a condition of excessive worry about everyday issues and situations. It lasts longer than 6 months. In addition to feeling worried you may also feel restlessness, fatigue, trouble concentrating, irritability, increased muscle tension, and trouble sleeping.

Anxiety can make you feel worried or scared. Anxiety can cause physical symptoms such as a fast heartbeat or sweating. It is a normal human response to be anxious in certain situations. You may have an anxiety disorder if you feel anxious all or most of the time.

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The exact cause of GAD is not fully understood, although it's likely that a combination of several factors plays a role. Research has suggested that these may include: the genes you inherit from your parents. having a history of stressful or traumatic experiences, such as domestic violence, child abuse or bullying.

Difficult experiences in childhood, adolescence or adulthood are a common trigger for anxiety problems. Going through stress and trauma when you're very young is likely to have a particularly big impact. Experiences which can trigger anxiety problems include things like: physical or emotional abuse.

Common anxiety signs and symptoms include: Feeling nervous, restless or tense. Having a sense of impending danger, panic or doom. Having an increased heart rate. Breathing rapidly (hyperventilation) Sweating. Trembling. Feeling weak or tired. Trouble concentrating or thinking about anything other than the present worry.

Chronic stress and anxiety can lead to structural degeneration and decreased functionality of the hippocampus and the prefrontal cortex. This can increase the risk for psychiatric disorders, including depression and dementia.