Diseases, Conditions, Syndromes

Some people think face masks are dangerous. Can that be true?

In a widely circulated video clip from a hearing last week on mandatory mask wearing in Orange County, Calif., an angry woman told officials she feared that masks made her re-breathe her own carbon dioxide, a waste product ...

Immunology

New study suggests rethink of dementia causes

University of Adelaide researchers have developed a new theory for the causes of dementia and other neurodegenerative diseases, involving an out-of-control immune system.

Diseases, Conditions, Syndromes

Study looks at Moderna COVID-19 vaccine effectiveness

New Kaiser Permanente research published February 21, 2022 in Nature Medicine shows that while Moderna COVID-19 vaccine protection is strong against coronavirus infection by the Delta variant, it is not as strong against ...

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Health care system

Health care systems are designed to meet the health care needs of target populations. There are a wide variety of health care systems around the world. In some countries, the health care system has evolved and has not been planned, whereas in others a concerted effort has been made by governments, trade unions, charities, religious, or other co-ordinated bodies to deliver planned health care services targeted to the populations they serve. However, health care planning has often been evolutionary rather than revolutionary.

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