Medical research

Dancing cells show how the brain awakens from anesthesia

According to a Mayo Clinic study published in Nature Neuroscience, the cells that act as the central nervous system's first line of defense against harm also play a role in helping the brain awaken from anesthesia. This discovery ...

HIV & AIDS

HIV hides within immune system's 'police stations'

Antiretroviral therapy (ART) is highly effective at controlling HIV infections, but the virus never completely goes away. Instead, it hides in roughly one in every 1 million immune cells.

Psychology & Psychiatry

Racial violence and the mental health of Black Americans

Police violence against Black Americans is shamefully common in the United States and devastates communities. For incidents that get widespread media exposure, a collective trauma is felt across the nation, especially for ...

Psychology & Psychiatry

Brain activity can predict resilience against post-traumatic stress

Why does one person develop post-traumatic symptoms after a stressful event while another does not? Police officers with higher activity in the anterior frontal brain area appear to respond more resiliently to a traumatic ...

Alzheimer's disease & dementia

Why people with dementia go missing

People with dementia are more likely to go missing in areas where road networks are dense, complicated and disordered—according to new research from the University of East Anglia.

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Police

A police service is a public force empowered to enforce the law and to ensure public and social order through the legitimized use of force.

The term is most commonly associated with police services of a state that are authorized to exercise the police power of that state within a defined legal or territorial area of responsibility. The word comes via French Policier, from Latin politia ("civil administration"), from ancient Greek πόλις ("city").

This text uses material from Wikipedia, licensed under CC BY-SA