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Anxiety

06 November, 2018

Stress, Anxiety Disorder, Genes & Recovery

At times of stress why do we worry ourselves sick? Do men and women differ in the way they experience anxiety disorder? Do our genes determine our future or do they offer us our best hope of recovery?

Anxiety is a normal phenomenon

No species can survive without a warning system which anticipates and helps to respond to hazards and threats. When we are anxious we become more alert, we prepare and get ready. We anticipate danger. This anticipatory anxiety is associated with increased heart rate, increased breathing and increased sweating.

When do Anxiety Disorders occur?

Anxiety Disorders occur when our anxiety is disproportionate. Anticipation disables us; because of anxiety disorder we lose the ability to live independently, to work productively or to relate to others socially.

What are the symptoms of panic attacks?

Symptoms of Panic attacks include:

  • Palpitations
  • Pounding heart and Chest pain
  • Sweating /Chills or hot flushes
  • Dizziness, light-headedness
  • Paraesthesias Trembling or shaking
  • Abdominal distress
  • Derealization or depersonalization
  • Fear of losing control / Fear of going crazy or dying
  • Shortness of breath or smothering /Choking feelings

Disabling crescendos of anxiety are called Panic attacks. Anxiety symptoms leading to avoidance of situations are called Phobias. Unwelcome intrusive anxiety provoking ideas thoughts and images are called obsessions; and repetitive behaviours carried out in a ritual fashion in response to stress of obsessive anxiety are called compulsions.

Anxiety Disorder Facts

The age at onset of anxiety disorder is between 25-35; the Female : Male ratio is 3: 1.

10% people have had occasional panic attacks and 2% have Panic Disorder.

50% of Panic Disorder sufferers have at least one other anxiety disorder and 50% of Panic Disorder sufferers develop depressive disorder. Up to 40% of Relatives of Panic Disorder develop Panic Disorder.

Women with Panic Disorder are more likely to experience breathing difficulties and faintness with panic attacks. Women report more symptoms of panic disorder than men and they are three times more likely to relapse in the long term than men.

The majority of women with Panic disorder have panic with agoraphobia whereas men are more likely to have isolated Panic Disorder. Alcohol misuse is more common in men with Panic Disorder Agoraphobia than in women. The causes of anxiety disorder are multi-factorial. Childhood trauma is a significant risk factor.

In panic disorder 24% of people will develop a major depression within 5 years and 50% in a lifetime. People with Panic Disorder are 20 times more likely to die by suicide than the healthy population

Less than 40% of people with an anxiety disorder receive professional treatment. For anxiety disorders, there is a delay in presentation ranging from nine to 23 years.  Along the way many people with phobic anxiety or panic disorder can become depressed or develop alcoholism.

Unfortunately, stigmatic beliefs about people with anxiety disorders are common. These say people with anxiety disorders are just worriers who should pull themselves together. The reality is very different.

Anxiety Disorders are the commonest mental health problems presenting to general practice. They are the most treatable of mental health disorders and none of the treatments requires rare expertise or extremely costly interventions.

Recovery

Recovery requires brain change; this means new learning, new thinking and new behaviours. The great psychiatrist (Nobel Prize winner) Eric Kandel teaches us that all recovery involves the person and the brain. This is because all mental processes derive from operations of the brain.

Anxiety symptoms and depression arise from both genetic and environmental factors. Roughly 30% of the contributing factors for the development of anxiety disorder come from genetic pathways, while the remaining factors come from environmental pathways.

Our genes determine the pattern of neuron (brain) interconnections. Learning of functional or dysfunctional behaviours alters gene expression. Gene expression promotes the production of proteins which control our behaviour by building the pattern of brain connections and strengthening them.

Effective psychotherapy changes behaviour through learning; and learning changes gene expression leading to renewed strength of synaptic brain connections.

Our genes have the capacity to facilitate recovery, by making and strengthening the connections our brains need to promote positive behaviours. Far from being a fixed bar code which only limits our hope of recovery, genes are the source of our best hope. All that is necessary is that we learn the recovery behaviours which switch our genes on.

Tags:   Anxiety  

Author

Prof Jim Lucey

Prof. Jim Lucey is Medical Director of St Patrick’s Mental Health Services, Dublin, since 2008, and Clinical Professor of Psychiatry at Trinity College Dublin. He has been working for more than 30 years with patients suffering from mental health problems. In addition to medical management, he maintains his clinical practice at St Patrick`s, where he specialises in the assessment, diagnosis and management of Obsessive Compulsive Disorder (OCD) and other anxiety disorders. He gives public lectures and is a regular broadcaster on mental health matters on RTÉ radio, featuring on ‘Today with Sean O’Rourke’.