Tuesday September 25, 2018

Scientists Identified 80 Genes That Trigger Depression

Nearly 80 genes that could be linked to depression have been identified, a finding that adds to the evidence that it is partly a genetic disorder, say scientists. Depression, a common mental disorder, is the leading cause of ill health and disability worldwide.

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Suspension may lead to depression. Pixabay
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Nearly 80 genes that could be linked to depression have been identified, a finding that adds to the evidence that it is partly a genetic disorder, say scientists.

Depression, a common mental disorder, is the leading cause of ill health and disability worldwide.

According to the latest estimates from the World Health Organisation (WHO), more than 300 million people are now living with depression, an increase of more than 18 per cent between 2005 and 2015.

“This study identifies genes that potentially increase our risk of depression, adding to the evidence that it is partly a genetic disorder,” said lead author David Howard, research fellow at the University of Edinburgh.

Some of the pinpointed genes are known to be involved in the function of synapses, tiny connectors that allow brain cells to communicate with each other through electrical and chemical signals, the researchers said.

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The study could help explain why some people may be at a higher risk of developing the condition as well as help researchers develop drugs to tackle mental health conditions.

“The findings also provide new clues to the causes of depression and we hope it will narrow down the search for therapies that could help people living with the condition,” Howard added.

For the study, published in Nature Communications, the team scanned the genetic code of 300,000 people to identify areas of DNA that could be linked to depression.

The WHO has identified strong links between depression and substance use disorders and diabetes and heart disease.

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Depression is also an important risk factor for suicide, which claims hundreds of thousands of lives each year.

Lack of support for people with mental disorders, coupled with a fear of stigma, prevent many from accessing the treatment they need to live healthy, productive lives. (IANS)

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Depression in Children Stay Undetected by Parents and Teachers- Study

The gold standard for identifying children who might be at risk for developing depression later in life is to ask the children themselves

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Studies: More Green Space, Less Crime, Depression in Poor Areas Pixabay

Parents and teachers may find it difficult to detect depression in young children, that can affect their social skills and academics, a new study shows.

According to Anxiety and Depression Association of America, as many as 2-3 per cent of children aged between 6-12 might have a major depressive disorder.

But parents and teachers face difficulties in recognising depression in children.

The findings, appearing in the Journal of School Psychology, showed that children who show mild to severe symptoms of depression in second and third grades are six times more likely to have skill deficits, such as difficulties with social skills or academics, than children without symptoms.

However, when teachers and parents were asked to rate a child’s level of depression, there was only about 5-10 per cent overlap in their ratings.

Depression
Parents and teachers face difficulties in recognising depression in children. Pixabay

“Some people would view that overlap as the truth about a child’s well-being and areas of disagreement as errors, but we need to explore the possibility that each of them are seeing different aspects of children’s behaviour and mental health,” said Keith Herman, professor in the University of Missouri (MU), College of Education.

For the study, the team completed profile analyses of 643 children in early elementary school to explore how patterns between student, teacher and parent reporting can be used to gain a holistic picture of a child’s mental health.

Herman suggested that mental health professionals could work with teachers and parents to identify depressive symptoms early by including self reports from children in mental health evaluations.

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“The gold standard for identifying children who might be at risk for developing depression later in life is to ask the children themselves,” noted Herman.

“However, even if a child doesn’t say they feel depressed, certain outward behaviours might provide clues to the state of the child’s mental health. It’s important for teachers and parents to catch these behaviours early to prevent long-term problems that occur with depression,” he said. (IANS)