Study finds stress doesn’t cause depression

A new study has disproved the theory that depression may be caused by stress. Researchers used rats bred to be severely depressed to study brain’s response to stress. After exposing the animals to chronic stress for two weeks, they compared changes in the genes commonly associated with depression with the stress-related genes. The study’s author,

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Researchers Discover Marker for Post-Traumatic Stress Disorder

Researchers have discovered a biomarker for post-traumatic stress disorder (PTSD) by measuring magnetic fields in the brain. Using a group of 74 military veterans, scientists from the University of Minnesota and Minneapolis VA Medical Center found a way to diagnose the disorder through magnetoencephalography (MEG), which measures magnetic fields in the brain. The nutritional supplement

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Secondhand smoke linked to memory problems

Passive smoke exposure may increase a person’s risk of developing dementia, according to the findings of a new study. Researchers at Peninsula Medical School, the University of Cambridge and the University of Michigan say their study is the first to suggest secondhand smoke may lead to cognitive problems in non-smoking adults. The scientists used the

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