Bacteria and fungi show a precise daily rhythm in tropical air

Scientists from the Singapore Centre for Environmental Life Sciences Engineering (SCELSE) at Nanyang Technological University, Singapore (NTU Singapore) have found that the air in the tropics is teeming with a rich and diverse ...

A probiotic treatment for obesity?

Alterations in the gut microbiota—the microorganisms residing in the gastrointestinal tract—have been implicated in the development of obesity and other chronic diseases.

S.African green groups sue government over air pollution

Two South African environmental groups are suing the government over air pollution in the northeastern province of Mpumalanga, where 83 percent of the country's coal is mined, their lawyer said Monday.

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Chronic (medicine)

In medicine, a chronic disease is a disease that is long-lasting or recurrent. The term chronic describes the course of the disease, or its rate of onset and development. A chronic course is distinguished from a recurrent course; recurrent diseases relapse repeatedly, with periods of remission in between. As an adjective, chronic can refer to a persistent and lasting medical condition. Chronicity is usually applied to a condition that lasts more than three months.

The definition of a disease or causative condition may depend on the disease being chronic, and the term chronic will often, but not always appear in the description:

Many chronic diseases require chronic care management for effective long-term treatment.

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