Although feelings of anxiety at certain times are completely normal, see a GP if anxiety is affecting your daily life or causing you distress.
Your GP will ask about your symptoms and your worries, fears and emotions to find out if you could have GAD.
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:
But many people develop GAD for no apparent reason.
GAD is a common condition, estimated to affect up to 5% of the UK population.
Slightly more women are affected than men, and the condition is more common in people from the ages of 35 to 59.
GAD can have a significant effect on your daily life, but several different treatments are available that can ease your symptoms.
With treatment, many people are able to control their anxiety levels. But some treatments may need to be continued for a long time and there may be periods when your symptoms worsen.