Millions of people all over the world are affected by anxiety.??The Anxiety and Depression Association of America estimates that anxiety disorders affect 40 million adults in the United States age 18 and older, making it the most common mental illness in the U.S.????And there are different factors that can cause anxiety, but researchers are trying to figure out if it could be hereditary.????According to Bustle, the National Health Service in England shared that a person can be 5 times more likely to develop Generalised anxiety disorder or GAD if they have a close relative with the same condition.

And they also believe There appears to be a familial link with OCD development.????The site notes, other factors that can determine the development of GAD are the imbalance of mood-regulating chemicals, traumatic experiences and genes inherited by parents.

????A consultant psychiatrist and visiting professor at King's College London's psychology department David Veale tells Bustle that he believes "anxiety disorders are about 40% hereditary" while the rest he thinks is "linked to the environment."????Even though scientific research hasn’t been extensive when it comes to proving the disorder could be hereditary.????Experts at Genetic Links to Anxiety and Depression are looking to study thousands of people in the UK already diagnosed with anxiety or depression, in an effort to find a genetic cause and help develop treatment for them.

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