Your Health 10-12 Genetic link to mental health and obesity - ABC 33/40 - Birmingham News, Weather, Sports

Your Health 10-12 Genetic link to mental health and obesity

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Researchers have identified a genetic mutation that is linked to mental illness and obesity.

The researchers found that deletion of brain-derived neurotrophic factor (BDNF) is associated with anxiety, depression and obesity.

BDNF is a nervous system growth factor that plays an important role in brain development.

In study of 65,000 people five that had deleted genetic mutation,also had mild to moderate intellectual impairment and had a mood disorder.

Children with BDNF deletions had anxiety disorders, aggression disorders or attention deficit-hyperactivity disorder, while others with BDNF deletions had anxiety and major depression.

Researchers at McGill University in Montreal found that people with BDNF deletions gradually gained weight as they aged.

The study appears in the journal Archives of General Psychiatry.

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