Researchers have a new angle to add to the nature vs. nurture debate about what shapes human behavior. A massive survey revealed a link between aversive societal conditions, and the "dark" personality characteristics that people may develop.

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A group of Texas-based researchers has developed an effective way to treat post-traumatic stress disorder that involves zapping the vagus nerve around the neck, using a device the size of a shirt button.

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A new study has found that antidepressant resistance is more common than was thought: 48% of people have tried at least two medications without effect, while 37% have tried four or more. It suggests a need to rethink current treatment approaches.

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People with bipolar disorder who followed a ketogenic diet found that their symptoms improved, a new study found. While the study was preliminary, its findings open the door to a new treatment direction for the sometimes difficult-to-treat condition.

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New research has found that an existing ADHD medication greatly reduced the number of days people with a methamphetamine dependence used the drug. With no current drug treatment to assist people in getting off meth, the study’s findings are promising.

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Using data from twin studies conducted over many years, researchers have found a link between levels of depression and the amount of fruit and vegetables people eat each day.

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Researchers have used Fitbit data to train a machine learning algorithm to accurately predict mood swings associated with bipolar disorder. It opens the door to using a personalized algorithm to drive treatment of the life-impacting condition.

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Spanning nearly 100 laboratories in 45 countries, a landmark study has, for the first time, shown an association between genetic brain shape and size and the prevalence of neurological conditions such as Parkinson's disease and ADHD.

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A study conducted by researchers at Uppsala University shows that playing the popular video game Tetris can significantly reduce flashbacks in people suffering from post-traumatic stress disorder (PTSD).

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