Depression

Marijuana and vulnerability to psychosis

Going from an occasional user of marijuana to a weekly or daily user increases an adolescent's risk of having recurrent psychotic-like experiences by 159 percent, according to a new Canadian study published today in the Journal ...

Jul 05, 2017
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Elderly yoginis have greater cortical thickness

Scientists in Brazil have imaged elderly female yoga practitioners' brains and found they have greater cortical thickness in the left prefrontal cortex, in brain areas associated with cognitive functions like attention and ...

Jul 13, 2017
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High use of medications in Norwegian nursing homes

For the first time ever, researchers have looked at the long-term use of psychiatric medication in Norwegian nursing homes. Psychiatric drugs are a collective term for medicines used to treat mental disorders, such as antipsychotics, ...

Jul 07, 2017
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How neurons sense our everyday life

Researchers from King's College London have discovered a molecular mechanism that enables neuronal connections to change through experience, thus fuelling learning and memory formation. The findings are published in the journal ...

Jul 13, 2017
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Depression is a state of low mood and aversion to activity that can affect a person's thoughts, behaviour, feelings and physical well-being. Depressed people may feel sad, anxious, empty, hopeless, helpless, worthless, guilty, irritable, or restless. They may lose interest in activities that once were pleasurable, experience loss of appetite or overeating, or problems concentrating, remembering details or making decisions; and may contemplate or attempt suicide. Insomnia, excessive sleeping, fatigue, loss of energy, or aches, pains or digestive problems that are resistant to treatment may be present.

Depressed mood is a normal reaction to certain life events, a symptom of some medical conditions (e.g., Addison's disease, hypothyroidism), various medical treatments (e.g., hepatitis C drug therapy), and a feature of certain psychiatric syndromes.

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