Social connection is the strongest protective factor for depression

Researchers have identified a set of modifiable factors from a field of over 100 that could represent valuable targets for preventing depression in adults. The team named social connection as the strongest protective factor for depression, and suggested that reducing sedentary activities such as TV watching and daytime napping could also help lower the risk of depression.
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Study pinpoints five most likely causes of post-traumatic stress in police officers

A combination of genetic and emotional differences may lead to post-traumatic stress (PTS) in police officers, a new study finds. Based on biological studies of officers in major cities, the study showed that the most significant PTS predictors are the tendency to startle at sudden sounds, early career displays of mental health symptoms (e.g., anxiety and depression), and certain genetic differences, including some known to influence a person's immune system.
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Experiencing childhood trauma makes body and brain age faster

Children who suffer trauma from abuse or violence early in life show biological signs of aging faster than children who have never experienced adversity, according to new research. The study examined three different signs of biological aging -- early puberty, cellular aging and changes in brain structure -- and found that trauma exposure was associated with all three.
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