Brain fog: Causes and how to cope



Brain fog affects mental processes such as memory and concentration. It can be a symptom of many conditions, including multiple sclerosis and depression.



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Dementia: Unprecedented detail of brain damage revealed



Scientists use cutting-edge technology to show how Lewy body dementia affects more than 1 million synapses, the tiny connections between neurons.



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Cancer cell growth halted with cold and flu drug




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Study shows how gut bacteria may trigger MS



A new study in mice proposes how gut bacteria, an appropriate age window, and risk genes may work together to trigger multiple sclerosis.



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What is precordial catch syndrome?



Learn all about precordial catch syndrome, a form of chest pain most commonly experienced by young people. We look at the symptoms, causes, and treatments.



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POTS syndrome: Symptoms, causes, and treatment



POTS syndrome causes an increased heart rate when a person stands up. Learn more about the causes, symptoms, and treatments in this article.



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Squirrels and stroke treatment: What's the connection?



The process by which the brains of ground squirrels are protected against low oxygen during hibernation could lead to a new treatment for ischemic stroke.



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Boosting brain's 'executive center' may prevent anxiety



New research finds that stimulating activity in the brain’s dorsolateral prefrontal cortex protects against symptoms of depression and mood disorders.



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Study reveals what depression, anxiety look like in the brain



MRI brain scans of people with depression and social anxiety show common and specific differences in cortical thickness, compared with healthy people.



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E-cigarette flavorings may impair heart muscle function



By studying heart muscle cells in the laboratory, researchers found that some flavorings in e-cigarette liquids, such as citrus, may have harmful effects.



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