Psychology & Psychiatry

Fewer U.S. teen girls are reporting 'persistent sadness'

There's a hint of good news for parents concerned about teen mental health: After 57% of U.S. teen girls surveyed in 2021 said they felt "persistent sadness," that number declined somewhat by 2023, to 53%, new government ...

Inflammatory disorders

Rare metabolic disorder can cause liver inflammation

Millions of people worldwide suffer from liver inflammation (hepatitis), an acute or chronic disease with a variety of causes. Liver inflammation frequently occurs in connection with metabolic disorders, for example fatty ...

Diseases, Conditions, Syndromes

Exposure to wildfire smoke may affect patients undergoing surgery

Nearly 100 wildfires are currently raging throughout the country, burning more than 2 million acres. The rising frequency of these fires poses a special concern for anesthesiologists—the potential for increased rates of ...

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Disease

A disease or medical problem is an abnormal condition of an organism that impairs bodily functions, associated with specific symptoms and signs. It may be caused by external factors, such as invading organisms, or it may be caused by internal dysfunctions, such as autoimmune diseases.

In human beings, "disease" is often used more broadly to refer to any condition that causes extreme pain, dysfunction, distress, social problems, and/or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries, disabilities, disorders, syndromes, infections, isolated symptoms, deviant behaviors, and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories.

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