Low levels of allopregnanolone hormone may predict risk of postpartum depression
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  March 15, 2017  
  Bipolar Disorder  
  The latest bipolar disorder news from News Medical  
 Low levels of allopregnanolone hormone may predict risk of postpartum depressionLow levels of allopregnanolone hormone may predict risk of postpartum depression
 
In a small-scale study of women with previously diagnosed mood disorders, Johns Hopkins researchers report that lower levels of the hormone allopregnanolone in the second trimester of pregnancy were associated with an increased chance of developing postpartum depression in women already known to be at risk for the disorder.
 
 
 How is Oppositional Defiant Disorder Diagnosed?How is Oppositional Defiant Disorder Diagnosed?
 
Oppositional defiant disorder (ODD) is a mental condition that presents as a recurring pattern of irritable/angry mood, defiant/argumentative behavior, or vindictiveness, that lasts for a period of at least 6 months. While the exact cause of ODD is not clear, biological, genetic and environmental factors are all believed to play their roles.
 
   Defect in non-coding DNA could give rise to language impairments in childrenDefect in non-coding DNA could give rise to language impairments in children
 
The human genome is made up of ~3 billion letters of DNA and at each position it is possible to have different letters, called variants. Some variants are harmless but others can be detrimental, making it a mammoth task to find out which variants cause a disorder.
 
   Study: People with intermittent explosive disorder at greater risk for substance abuseStudy: People with intermittent explosive disorder at greater risk for substance abuse
 
People with intermittent explosive disorder—a condition marked by frequent physical or verbal outbursts—are at five times greater risk for abusing substances such as alcohol, tobacco and marijuana than those who don't display frequent aggressive behavior, according to a new study by researchers from the University of Chicago.
 
 Oppositional Defiant Disorder (ODD) Overview
 
Oppositional Defiant Disorder (ODD) OverviewEven well-behaved children may be oppositional at some point in time. Oppositional behavior may be seen particularly when young children are stressed, upset, hungry or tired. This is considered a normal part of development in children between the ages of 2 – 3 years old and in the early adolescent period.
 
 
 Biological, Genetic and Environmental Causes of Oppositional Defiant Disorder
 
Biological, Genetic and Environmental Causes of Oppositional Defiant DisorderAccording to the Diagnostic and Statistical Manual of Mental Disorders – Fifth Edition (DSM-5), oppositional defiant disorder (ODD) is a recurring pattern of irritable/ angry mood, defiant/ argumentative behavior or vindictiveness that lasts for a period of at least 6 months. It is estimated to occur in between 1 to 16% of children and adolescents.