Cachexia is a state of involuntary weight loss. The latest generic definition states that aside from weight loss, patient needs to fulfill additional criteria to be diagnosed with cachexia. New, ...

A new definition of obesity could nearly double the prevalence of U.S. adults with the condition, according to a study published Monday. For decades, doctors have relied on body mass index (BMI) -- a ...

The consensus definition of severe sepsis requires suspected or proven infection, organ failure, and signs that meet two or more criteria for the systemic inflammatory response syndrome (SIRS). We ...