Health

Q and A: How belly breathing benefits your body, mind

From the day we're born, we know how to breathe correctly. That means letting the diaphragm—the large, thin muscle just below the rib cage—do the work of drawing air into the lungs and letting it out. It's known as diaphragmatic ...

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A chronic disease is a disease or other human health condition that is persistent or long-lasting in nature. The term chronic is usually applied when the course of the disease lasts for more than three months. Common chronic diseases include asthma, cancer, diabetes and HIV/AIDS.

In medicine, the opposite of chronic is acute. A chronic course is further distinguished from a recurrent course; recurrent diseases relapse repeatedly, with periods of remission in between.

While often referred to as "non-communicable diseases", also usually lasting medical conditions, the latter are distinguished by their non-infectious cause. In contrast, some chronic diseases, such as HIV/AIDS, are caused by transmissible infections.

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